Add DNS features (#8729)

* Simplify DNS Settings

* Add ParallelQuery and ServeStale features

* Fix

* Add Tips

* Simplify Predefined Hosts

v2rayN/ServiceLib/Common/Utils.cs

@@ -462,6 +462,18 @@ public class Utils
         return (domain, port);
     }
 
+    public static string? DomainStrategy4Sbox(string? strategy)
+    {
+        return strategy switch
+        {
+            not null when strategy.StartsWith("UseIPv4") => "prefer_ipv4",
+            not null when strategy.StartsWith("UseIPv6") => "prefer_ipv6",
+            not null when strategy.StartsWith("ForceIPv4") => "ipv4_only",
+            not null when strategy.StartsWith("ForceIPv6") => "ipv6_only",
+            _ => null
+        };
+    }
+
     #endregion Conversion Functions
 
     #region Data Checks

v2rayN/ServiceLib/Global.cs

@@ -339,13 +339,13 @@ public class Global
         IPOnDemand
     ];
 
-    public static readonly List<string> DomainStrategies4Singbox =
+    public static readonly List<string> DomainStrategies4Sbox =
     [
-        "ipv4_only",
+        "",
-        "ipv6_only",
         "prefer_ipv4",
         "prefer_ipv6",
-        ""
+        "ipv4_only",
+        "ipv6_only"
     ];
 
     public static readonly List<string> Fingerprints =
@@ -387,28 +387,22 @@ public class Global
         ""
     ];
 
-    public static readonly List<string> DomainStrategy4Freedoms =
+    public static readonly List<string> DomainStrategy =
     [
         "AsIs",
         "UseIP",
+        "UseIPv4v6",
+        "UseIPv6v4",
         "UseIPv4",
         "UseIPv6",
         ""
     ];
 
-    public static readonly List<string> SingboxDomainStrategy4Out =
-    [
-        "",
-        "ipv4_only",
-        "prefer_ipv4",
-        "prefer_ipv6",
-        "ipv6_only"
-    ];
-
     public static readonly List<string> DomainDirectDNSAddress =
     [
         "https://dns.alidns.com/dns-query",
         "https://doh.pub/dns-query",
+        "https://dns.alidns.com/dns-query,https://doh.pub/dns-query",
         "223.5.5.5",
         "119.29.29.29",
         "localhost"
@@ -417,8 +411,9 @@ public class Global
     public static readonly List<string> DomainRemoteDNSAddress =
     [
         "https://cloudflare-dns.com/dns-query",
-        "https://dns.cloudflare.com/dns-query",
         "https://dns.google/dns-query",
+        "https://cloudflare-dns.com/dns-query,https://dns.google/dns-query,8.8.8.8",
+        "https://dns.cloudflare.com/dns-query",
         "https://doh.dns.sb/dns-query",
         "https://doh.opendns.com/dns-query",
         "https://common.dot.dns.yandex.net",
@@ -616,20 +611,20 @@ public class Global
 
     public static readonly Dictionary<string, List<string>> PredefinedHosts = new()
     {
-        { "dns.google", new List<string> { "8.8.8.8", "8.8.4.4", "2001:4860:4860::8888", "2001:4860:4860::8844" } },
+        { "dns.google", ["8.8.8.8", "8.8.4.4", "2001:4860:4860::8888", "2001:4860:4860::8844"] },
-        { "dns.alidns.com", new List<string> { "223.5.5.5", "223.6.6.6", "2400:3200::1", "2400:3200:baba::1" } },
+        { "dns.alidns.com", ["223.5.5.5", "223.6.6.6", "2400:3200::1", "2400:3200:baba::1"] },
-        { "one.one.one.one", new List<string> { "1.1.1.1", "1.0.0.1", "2606:4700:4700::1111", "2606:4700:4700::1001" } },
+        { "one.one.one.one", ["1.1.1.1", "1.0.0.1", "2606:4700:4700::1111", "2606:4700:4700::1001"] },
-        { "1dot1dot1dot1.cloudflare-dns.com", new List<string> { "1.1.1.1", "1.0.0.1", "2606:4700:4700::1111", "2606:4700:4700::1001" } },
+        { "1dot1dot1dot1.cloudflare-dns.com", ["1.1.1.1", "1.0.0.1", "2606:4700:4700::1111", "2606:4700:4700::1001"] },
-        { "cloudflare-dns.com", new List<string> { "104.16.249.249", "104.16.248.249", "2606:4700::6810:f8f9", "2606:4700::6810:f9f9" } },
+        { "cloudflare-dns.com", ["104.16.249.249", "104.16.248.249", "2606:4700::6810:f8f9", "2606:4700::6810:f9f9"] },
-        { "dns.cloudflare.com", new List<string> { "104.16.132.229", "104.16.133.229", "2606:4700::6810:84e5", "2606:4700::6810:85e5" } },
+        { "dns.cloudflare.com", ["104.16.132.229", "104.16.133.229", "2606:4700::6810:84e5", "2606:4700::6810:85e5"] },
-        { "dot.pub", new List<string> { "1.12.12.12", "120.53.53.53" } },
+        { "dot.pub", ["1.12.12.12", "120.53.53.53"] },
-        { "doh.pub", new List<string> { "1.12.12.12", "120.53.53.53" } },
+        { "doh.pub", ["1.12.12.12", "120.53.53.53"] },
-        { "dns.quad9.net", new List<string> { "9.9.9.9", "149.112.112.112", "2620:fe::fe", "2620:fe::9" } },
+        { "dns.quad9.net", ["9.9.9.9", "149.112.112.112", "2620:fe::fe", "2620:fe::9"] },
-        { "dns.yandex.net", new List<string> { "77.88.8.8", "77.88.8.1", "2a02:6b8::feed:0ff", "2a02:6b8:0:1::feed:0ff" } },
+        { "dns.yandex.net", ["77.88.8.8", "77.88.8.1", "2a02:6b8::feed:0ff", "2a02:6b8:0:1::feed:0ff"] },
-        { "dns.sb", new List<string> { "185.222.222.222", "2a09::" } },
+        { "dns.sb", ["185.222.222.222", "2a09::"] },
-        { "dns.umbrella.com", new List<string> { "208.67.220.220", "208.67.222.222", "2620:119:35::35", "2620:119:53::53" } },
+        { "dns.umbrella.com", ["208.67.220.220", "208.67.222.222", "2620:119:35::35", "2620:119:53::53"] },
-        { "dns.sse.cisco.com", new List<string> { "208.67.220.220", "208.67.222.222", "2620:119:35::35", "2620:119:53::53" } },
+        { "dns.sse.cisco.com", ["208.67.220.220", "208.67.222.222", "2620:119:35::35", "2620:119:53::53"] },
-        { "engage.cloudflareclient.com", new List<string> { "162.159.192.1", "2606:4700:d0::a29f:c001" } }
+        { "engage.cloudflareclient.com", ["162.159.192.1"] }
     };
 
     public static readonly List<string> ExpectedIPs =

v2rayN/ServiceLib/Handler/ConfigHandler.cs

@@ -114,6 +114,8 @@ public static class ConfigHandler
         config.SimpleDNSItem ??= InitBuiltinSimpleDNS();
         config.SimpleDNSItem.GlobalFakeIp ??= true;
         config.SimpleDNSItem.BootstrapDNS ??= Global.DomainPureIPDNSAddress.FirstOrDefault();
+        config.SimpleDNSItem.ServeStale ??= false;
+        config.SimpleDNSItem.ParallelQuery ??= false;
 
         config.SpeedTestItem ??= new();
         if (config.SpeedTestItem.SpeedTestTimeout < 10)

v2rayN/ServiceLib/Models/ConfigItems.cs

@@ -265,9 +265,10 @@ public class SimpleDNSItem
     public string? DirectDNS { get; set; }
     public string? RemoteDNS { get; set; }
     public string? BootstrapDNS { get; set; }
-    public string? RayStrategy4Freedom { get; set; }
+    public string? Strategy4Freedom { get; set; }
-    public string? SingboxStrategy4Direct { get; set; }
+    public string? Strategy4Proxy { get; set; }
-    public string? SingboxStrategy4Proxy { get; set; }
+    public bool? ServeStale { get; set; }
+    public bool? ParallelQuery { get; set; }
     public string? Hosts { get; set; }
     public string? DirectExpectedIPs { get; set; }
 }

v2rayN/ServiceLib/Models/V2rayConfig.cs

@@ -3,7 +3,7 @@ namespace ServiceLib.Models;
 public class V2rayConfig
 {
     public Log4Ray log { get; set; }
-    public Dns4Ray dns { get; set; }
+    public object dns { get; set; }
     public List<Inbounds4Ray> inbounds { get; set; }
     public List<Outbounds4Ray> outbounds { get; set; }
     public Routing4Ray routing { get; set; }
@@ -105,6 +105,8 @@ public class Outbounds4Ray
 
     public string protocol { get; set; }
 
+    public string? targetStrategy { get; set; }
+
     public Outboundsettings4Ray settings { get; set; }
 
     public StreamSettings4Ray streamSettings { get; set; }
@@ -206,12 +208,8 @@ public class Dns4Ray
 {
     public Dictionary<string, object>? hosts { get; set; }
     public List<object> servers { get; set; }
-    public string? clientIp { get; set; }
+    public bool? serveStale { get; set; }
-    public string? queryStrategy { get; set; }
+    public bool? enableParallelQuery { get; set; }
-    public bool? disableCache { get; set; }
-    public bool? disableFallback { get; set; }
-    public bool? disableFallbackIfMatch { get; set; }
-    public bool? useSystemHosts { get; set; }
     public string? tag { get; set; }
 }
 

v2rayN/ServiceLib/Resx/ResUI.Designer.cs

@@ -2727,6 +2727,24 @@ namespace ServiceLib.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 Direct Target Resolution Strategy 的本地化字符串。
+        /// </summary>
+        public static string TbDirectResolveStrategy {
+            get {
+                return ResourceManager.GetString("TbDirectResolveStrategy", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   查找类似 If unset or &quot;AsIs&quot;, DNS resolution uses the system DNS; otherwise, the internal DNS module is used. 的本地化字符串。
+        /// </summary>
+        public static string TbDirectResolveStrategyTips {
+            get {
+                return ResourceManager.GetString("TbDirectResolveStrategyTips", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 Display GUI 的本地化字符串。
         /// </summary>
@@ -2799,6 +2817,15 @@ namespace ServiceLib.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 By default, invoked only during routing for resolution 的本地化字符串。
+        /// </summary>
+        public static string TbDomesticDNSTips {
+            get {
+                return ResourceManager.GetString("TbDomesticDNSTips", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 EchConfigList 的本地化字符串。
         /// </summary>
@@ -3060,6 +3087,15 @@ namespace ServiceLib.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 Parallel Query 的本地化字符串。
+        /// </summary>
+        public static string TbParallelQuery {
+            get {
+                return ResourceManager.GetString("TbParallelQuery", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 Path 的本地化字符串。
         /// </summary>
@@ -3214,7 +3250,7 @@ namespace ServiceLib.Resx {
         }
         
         /// <summary>
-        ///   查找类似 Via proxy — please ensure remote availability 的本地化字符串。
+        ///   查找类似 By default, invoked only during routing for resolution; ensure the remote server can reach this DNS 的本地化字符串。
         /// </summary>
         public static string TbRemoteDNSTips {
             get {
@@ -3222,6 +3258,24 @@ namespace ServiceLib.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 Proxy Target Resolution Strategy 的本地化字符串。
+        /// </summary>
+        public static string TbRemoteResolveStrategy {
+            get {
+                return ResourceManager.GetString("TbRemoteResolveStrategy", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   查找类似 If unset or &quot;AsIs&quot;, DNS resolution is performed by the remote server&apos;s DNS; otherwise, the internal DNS module is used. 的本地化字符串。
+        /// </summary>
+        public static string TbRemoteResolveStrategyTips {
+            get {
+                return ResourceManager.GetString("TbRemoteResolveStrategyTips", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 Camouflage domain(host) 的本地化字符串。
         /// </summary>
@@ -3357,15 +3411,6 @@ namespace ServiceLib.Resx {
             }
         }
         
-        /// <summary>
-        ///   查找类似 sing-box Direct Resolution Strategy 的本地化字符串。
-        /// </summary>
-        public static string TbSBDirectResolveStrategy {
-            get {
-                return ResourceManager.GetString("TbSBDirectResolveStrategy", resourceCulture);
-            }
-        }
-        
         /// <summary>
         ///   查找类似 sing-box Full Config Template 的本地化字符串。
         /// </summary>
@@ -3384,15 +3429,6 @@ namespace ServiceLib.Resx {
             }
         }
         
-        /// <summary>
-        ///   查找类似 sing-box Remote Resolution Strategy 的本地化字符串。
-        /// </summary>
-        public static string TbSBRemoteResolveStrategy {
-            get {
-                return ResourceManager.GetString("TbSBRemoteResolveStrategy", resourceCulture);
-            }
-        }
-        
         /// <summary>
         ///   查找类似 Encryption method (security) 的本地化字符串。
         /// </summary>
@@ -3438,6 +3474,15 @@ namespace ServiceLib.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 Serve Stale 的本地化字符串。
+        /// </summary>
+        public static string TbServeStale {
+            get {
+                return ResourceManager.GetString("TbServeStale", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 Set system proxy 的本地化字符串。
         /// </summary>
@@ -4411,7 +4456,7 @@ namespace ServiceLib.Resx {
         }
         
         /// <summary>
-        ///   查找类似 When configured, validates IPs returned for regional domains (e.g., geosite:cn), returning only expected IPs 的本地化字符串。
+        ///   查找类似 When configured, validates IPs returned for regional domains (e.g., geosite:cn - geoip:cn), returning only expected IPs 的本地化字符串。
         /// </summary>
         public static string TbValidateDirectExpectedIPsDesc {
             get {
@@ -4419,15 +4464,6 @@ namespace ServiceLib.Resx {
             }
         }
         
-        /// <summary>
-        ///   查找类似 xray Freedom Resolution Strategy 的本地化字符串。
-        /// </summary>
-        public static string TbXrayFreedomStrategy {
-            get {
-                return ResourceManager.GetString("TbXrayFreedomStrategy", resourceCulture);
-            }
-        }
-        
         /// <summary>
         ///   查找类似 The delay: {0} ms, {1} 的本地化字符串。
         /// </summary>

v2rayN/ServiceLib/Resx/ResUI.fa-Ir.resx

@@ -1419,17 +1419,11 @@
   <data name="TbDomesticDNS" xml:space="preserve">
     <value>Domestic DNS</value>
   </data>
-  <data name="TbRemoteDNSTips" xml:space="preserve">
+  <data name="TbDirectResolveStrategy" xml:space="preserve">
-    <value>Via proxy — please ensure remote availability</value>
+    <value>Direct Target Resolution Strategy</value>
   </data>
-  <data name="TbXrayFreedomStrategy" xml:space="preserve">
+  <data name="TbRemoteResolveStrategy" xml:space="preserve">
-    <value>xray Freedom Resolution Strategy</value>
+    <value>Proxy Target Resolution Strategy</value>
-  </data>
-  <data name="TbSBDirectResolveStrategy" xml:space="preserve">
-    <value>sing-box Direct Resolution Strategy</value>
-  </data>
-  <data name="TbSBRemoteResolveStrategy" xml:space="preserve">
-    <value>sing-box Remote Resolution Strategy</value>
   </data>
   <data name="TbAddCommonDNSHosts" xml:space="preserve">
     <value>Add Common DNS Hosts</value>
@@ -1453,7 +1447,7 @@
     <value>Validate Regional Domain IPs</value>
   </data>
   <data name="TbValidateDirectExpectedIPsDesc" xml:space="preserve">
-    <value>When configured, validates IPs returned for regional domains (e.g., geosite:cn), returning only expected IPs</value>
+    <value>When configured, validates IPs returned for regional domains (e.g., geosite:cn - geoip:cn), returning only expected IPs</value>
   </data>
   <data name="TbCustomDNSEnable" xml:space="preserve">
     <value>Enable Custom DNS</value>
@@ -1653,4 +1647,22 @@ The "Get Certificate" action may fail if a self-signed certificate is used or if
   <data name="TbCertSha256Tips" xml:space="preserve">
     <value>Certificate fingerprint (SHA-256)</value>
   </data>
+  <data name="TbServeStale" xml:space="preserve">
+    <value>Serve Stale</value>
+  </data>
+  <data name="TbParallelQuery" xml:space="preserve">
+    <value>Parallel Query</value>
+  </data>
+  <data name="TbDomesticDNSTips" xml:space="preserve">
+    <value>By default, invoked only during routing for resolution</value>
+  </data>
+  <data name="TbRemoteDNSTips" xml:space="preserve">
+    <value>By default, invoked only during routing for resolution; ensure the remote server can reach this DNS</value>
+  </data>
+  <data name="TbDirectResolveStrategyTips" xml:space="preserve">
+    <value>If unset or "AsIs", DNS resolution uses the system DNS; otherwise, the internal DNS module is used.</value>
+  </data>
+  <data name="TbRemoteResolveStrategyTips" xml:space="preserve">
+    <value>If unset or "AsIs", DNS resolution is performed by the remote server's DNS; otherwise, the internal DNS module is used.</value>
+  </data>
 </root>

v2rayN/ServiceLib/Resx/ResUI.fr.resx

@@ -1416,17 +1416,11 @@
   <data name="TbDomesticDNS" xml:space="preserve">
     <value>DNS direct</value>
   </data>
-  <data name="TbRemoteDNSTips" xml:space="preserve">
+  <data name="TbDirectResolveStrategy" xml:space="preserve">
-    <value>Via le proxy ; assurez-vous que le serveur distant est disponible</value>
+    <value>Direct Target Resolution Strategy</value>
   </data>
-  <data name="TbXrayFreedomStrategy" xml:space="preserve">
+  <data name="TbRemoteResolveStrategy" xml:space="preserve">
-    <value>Stratégie de résolution xray freedom</value>
+    <value>Proxy Target Resolution Strategy</value>
-  </data>
-  <data name="TbSBDirectResolveStrategy" xml:space="preserve">
-    <value>Stratégie de résolution directe sing-box</value>
-  </data>
-  <data name="TbSBRemoteResolveStrategy" xml:space="preserve">
-    <value>Stratégie de résolution distante sing-box</value>
   </data>
   <data name="TbAddCommonDNSHosts" xml:space="preserve">
     <value>Ajouter des hôtes DNS courants</value>
@@ -1450,7 +1444,7 @@
     <value>Valider les IP des domaines de la région concernée</value>
   </data>
   <data name="TbValidateDirectExpectedIPsDesc" xml:space="preserve">
-    <value>Après config, les IP renvoyées des domaines régionaux (ex. geosite:cn) seront vérifiées ; seules les IP attendues seront retournées.</value>
+    <value>Après config, les IP renvoyées des domaines régionaux (ex. geosite:cn - geoip:cn) seront vérifiées ; seules les IP attendues seront retournées.</value>
   </data>
   <data name="TbCustomDNSEnable" xml:space="preserve">
     <value>Activer le DNS personnalisé</value>
@@ -1650,4 +1644,22 @@ The "Get Certificate" action may fail if a self-signed certificate is used or if
   <data name="TbCertSha256Tips" xml:space="preserve">
     <value>Certificate fingerprint (SHA-256)</value>
   </data>
+  <data name="TbServeStale" xml:space="preserve">
+    <value>Serve Stale</value>
+  </data>
+  <data name="TbParallelQuery" xml:space="preserve">
+    <value>Parallel Query</value>
+  </data>
+  <data name="TbDomesticDNSTips" xml:space="preserve">
+    <value>By default, invoked only during routing for resolution</value>
+  </data>
+  <data name="TbRemoteDNSTips" xml:space="preserve">
+    <value>By default, invoked only during routing for resolution; ensure the remote server can reach this DNS</value>
+  </data>
+  <data name="TbDirectResolveStrategyTips" xml:space="preserve">
+    <value>If unset or "AsIs", DNS resolution uses the system DNS; otherwise, the internal DNS module is used.</value>
+  </data>
+  <data name="TbRemoteResolveStrategyTips" xml:space="preserve">
+    <value>If unset or "AsIs", DNS resolution is performed by the remote server's DNS; otherwise, the internal DNS module is used.</value>
+  </data>
 </root>

v2rayN/ServiceLib/Resx/ResUI.hu.resx

@@ -1419,17 +1419,11 @@
   <data name="TbDomesticDNS" xml:space="preserve">
     <value>Domestic DNS</value>
   </data>
-  <data name="TbRemoteDNSTips" xml:space="preserve">
+  <data name="TbDirectResolveStrategy" xml:space="preserve">
-    <value>Via proxy — please ensure remote availability</value>
+    <value>Direct Target Resolution Strategy</value>
   </data>
-  <data name="TbXrayFreedomStrategy" xml:space="preserve">
+  <data name="TbRemoteResolveStrategy" xml:space="preserve">
-    <value>xray Freedom Resolution Strategy</value>
+    <value>Proxy Target Resolution Strategy</value>
-  </data>
-  <data name="TbSBDirectResolveStrategy" xml:space="preserve">
-    <value>sing-box Direct Resolution Strategy</value>
-  </data>
-  <data name="TbSBRemoteResolveStrategy" xml:space="preserve">
-    <value>sing-box Remote Resolution Strategy</value>
   </data>
   <data name="TbAddCommonDNSHosts" xml:space="preserve">
     <value>Add Common DNS Hosts</value>
@@ -1453,7 +1447,7 @@
     <value>Validate Regional Domain IPs</value>
   </data>
   <data name="TbValidateDirectExpectedIPsDesc" xml:space="preserve">
-    <value>When configured, validates IPs returned for regional domains (e.g., geosite:cn), returning only expected IPs</value>
+    <value>When configured, validates IPs returned for regional domains (e.g., geosite:cn - geoip:cn), returning only expected IPs</value>
   </data>
   <data name="TbCustomDNSEnable" xml:space="preserve">
     <value>Enable Custom DNS</value>
@@ -1653,4 +1647,22 @@ The "Get Certificate" action may fail if a self-signed certificate is used or if
   <data name="TbCertSha256Tips" xml:space="preserve">
     <value>Certificate fingerprint (SHA-256)</value>
   </data>
+  <data name="TbServeStale" xml:space="preserve">
+    <value>Serve Stale</value>
+  </data>
+  <data name="TbParallelQuery" xml:space="preserve">
+    <value>Parallel Query</value>
+  </data>
+  <data name="TbDomesticDNSTips" xml:space="preserve">
+    <value>By default, invoked only during routing for resolution</value>
+  </data>
+  <data name="TbRemoteDNSTips" xml:space="preserve">
+    <value>By default, invoked only during routing for resolution; ensure the remote server can reach this DNS</value>
+  </data>
+  <data name="TbDirectResolveStrategyTips" xml:space="preserve">
+    <value>If unset or "AsIs", DNS resolution uses the system DNS; otherwise, the internal DNS module is used.</value>
+  </data>
+  <data name="TbRemoteResolveStrategyTips" xml:space="preserve">
+    <value>If unset or "AsIs", DNS resolution is performed by the remote server's DNS; otherwise, the internal DNS module is used.</value>
+  </data>
 </root>

v2rayN/ServiceLib/Resx/ResUI.resx

@@ -1419,17 +1419,11 @@
   <data name="TbDomesticDNS" xml:space="preserve">
     <value>Domestic DNS</value>
   </data>
-  <data name="TbRemoteDNSTips" xml:space="preserve">
+  <data name="TbDirectResolveStrategy" xml:space="preserve">
-    <value>Via proxy — please ensure remote availability</value>
+    <value>Direct Target Resolution Strategy</value>
   </data>
-  <data name="TbXrayFreedomStrategy" xml:space="preserve">
+  <data name="TbRemoteResolveStrategy" xml:space="preserve">
-    <value>xray Freedom Resolution Strategy</value>
+    <value>Proxy Target Resolution Strategy</value>
-  </data>
-  <data name="TbSBDirectResolveStrategy" xml:space="preserve">
-    <value>sing-box Direct Resolution Strategy</value>
-  </data>
-  <data name="TbSBRemoteResolveStrategy" xml:space="preserve">
-    <value>sing-box Remote Resolution Strategy</value>
   </data>
   <data name="TbAddCommonDNSHosts" xml:space="preserve">
     <value>Add Common DNS Hosts</value>
@@ -1453,7 +1447,7 @@
     <value>Validate Regional Domain IPs</value>
   </data>
   <data name="TbValidateDirectExpectedIPsDesc" xml:space="preserve">
-    <value>When configured, validates IPs returned for regional domains (e.g., geosite:cn), returning only expected IPs</value>
+    <value>When configured, validates IPs returned for regional domains (e.g., geosite:cn - geoip:cn), returning only expected IPs</value>
   </data>
   <data name="TbCustomDNSEnable" xml:space="preserve">
     <value>Enable Custom DNS</value>
@@ -1653,4 +1647,22 @@ The "Get Certificate" action may fail if a self-signed certificate is used or if
   <data name="TbCertSha256Tips" xml:space="preserve">
     <value>Certificate fingerprint (SHA-256)</value>
   </data>
+  <data name="TbServeStale" xml:space="preserve">
+    <value>Serve Stale</value>
+  </data>
+  <data name="TbParallelQuery" xml:space="preserve">
+    <value>Parallel Query</value>
+  </data>
+  <data name="TbDomesticDNSTips" xml:space="preserve">
+    <value>By default, invoked only during routing for resolution</value>
+  </data>
+  <data name="TbRemoteDNSTips" xml:space="preserve">
+    <value>By default, invoked only during routing for resolution; ensure the remote server can reach this DNS</value>
+  </data>
+  <data name="TbDirectResolveStrategyTips" xml:space="preserve">
+    <value>If unset or "AsIs", DNS resolution uses the system DNS; otherwise, the internal DNS module is used.</value>
+  </data>
+  <data name="TbRemoteResolveStrategyTips" xml:space="preserve">
+    <value>If unset or "AsIs", DNS resolution is performed by the remote server's DNS; otherwise, the internal DNS module is used.</value>
+  </data>
 </root>

v2rayN/ServiceLib/Resx/ResUI.ru.resx

@@ -1419,17 +1419,11 @@
   <data name="TbDomesticDNS" xml:space="preserve">
     <value>Внутренний DNS</value>
   </data>
-  <data name="TbRemoteDNSTips" xml:space="preserve">
+  <data name="TbDirectResolveStrategy" xml:space="preserve">
-    <value>Via proxy — please ensure remote availability</value>
+    <value>Direct Target Resolution Strategy</value>
   </data>
-  <data name="TbXrayFreedomStrategy" xml:space="preserve">
+  <data name="TbRemoteResolveStrategy" xml:space="preserve">
-    <value>Стратегия резолвинга Freedom (Xray)</value>
+    <value>Proxy Target Resolution Strategy</value>
-  </data>
-  <data name="TbSBDirectResolveStrategy" xml:space="preserve">
-    <value>Стратегия прямого резолвинга (sing-box)</value>
-  </data>
-  <data name="TbSBRemoteResolveStrategy" xml:space="preserve">
-    <value>Стратегия удалённого резолвинга (sing-box)</value>
   </data>
   <data name="TbAddCommonDNSHosts" xml:space="preserve">
     <value>Добавить стандартные записи hosts (DNS)</value>
@@ -1453,7 +1447,7 @@
     <value>Проверять IP-адреса региональных доменов</value>
   </data>
   <data name="TbValidateDirectExpectedIPsDesc" xml:space="preserve">
-    <value>При включении проверяет IP-адреса, возвращаемые для региональных доменов (например, geosite:cn), и оставляет только ожидаемые IP-адреса</value>
+    <value>При включении проверяет IP-адреса, возвращаемые для региональных доменов (например, geosite:cn - geoip:cn), и оставляет только ожидаемые IP-адреса</value>
   </data>
   <data name="TbCustomDNSEnable" xml:space="preserve">
     <value>Включить пользовательский DNS</value>
@@ -1653,4 +1647,22 @@ The "Get Certificate" action may fail if a self-signed certificate is used or if
   <data name="TbCertSha256Tips" xml:space="preserve">
     <value>Certificate fingerprint (SHA-256)</value>
   </data>
+  <data name="TbServeStale" xml:space="preserve">
+    <value>Serve Stale</value>
+  </data>
+  <data name="TbParallelQuery" xml:space="preserve">
+    <value>Parallel Query</value>
+  </data>
+  <data name="TbDomesticDNSTips" xml:space="preserve">
+    <value>By default, invoked only during routing for resolution</value>
+  </data>
+  <data name="TbRemoteDNSTips" xml:space="preserve">
+    <value>By default, invoked only during routing for resolution; ensure the remote server can reach this DNS</value>
+  </data>
+  <data name="TbDirectResolveStrategyTips" xml:space="preserve">
+    <value>If unset or "AsIs", DNS resolution uses the system DNS; otherwise, the internal DNS module is used.</value>
+  </data>
+  <data name="TbRemoteResolveStrategyTips" xml:space="preserve">
+    <value>If unset or "AsIs", DNS resolution is performed by the remote server's DNS; otherwise, the internal DNS module is used.</value>
+  </data>
 </root>

v2rayN/ServiceLib/Resx/ResUI.zh-Hans.resx

@@ -1416,17 +1416,11 @@
   <data name="TbDomesticDNS" xml:space="preserve">
     <value>直连 DNS</value>
   </data>
-  <data name="TbRemoteDNSTips" xml:space="preserve">
+  <data name="TbDirectResolveStrategy" xml:space="preserve">
-    <value>通过代理，请确保远程可用</value>
+    <value>直连目标解析策略</value>
   </data>
-  <data name="TbXrayFreedomStrategy" xml:space="preserve">
+  <data name="TbRemoteResolveStrategy" xml:space="preserve">
-    <value>xray freedom 解析策略</value>
+    <value>代理目标解析策略</value>
-  </data>
-  <data name="TbSBDirectResolveStrategy" xml:space="preserve">
-    <value>sing-box 直连解析策略</value>
-  </data>
-  <data name="TbSBRemoteResolveStrategy" xml:space="preserve">
-    <value>sing-box 远程解析策略</value>
   </data>
   <data name="TbAddCommonDNSHosts" xml:space="preserve">
     <value>添加常用 DNS Hosts</value>
@@ -1450,7 +1444,7 @@
     <value>校验相应地区域名 IP</value>
   </data>
   <data name="TbValidateDirectExpectedIPsDesc" xml:space="preserve">
-    <value>配置后，会对相应地区域名（如 geosite:cn）的返回 IP 进行校验，仅返回期望 IP</value>
+    <value>配置后，会对相应地区域名（如 geosite:cn - geoip:cn）的返回 IP 进行校验，仅返回期望 IP</value>
   </data>
   <data name="TbCustomDNSEnable" xml:space="preserve">
     <value>启用自定义 DNS</value>
@@ -1650,4 +1644,22 @@
   <data name="TbCertSha256Tips" xml:space="preserve">
     <value>证书指纹（SHA-256）</value>
   </data>
+  <data name="TbServeStale" xml:space="preserve">
+    <value>乐观缓存</value>
+  </data>
+  <data name="TbParallelQuery" xml:space="preserve">
+    <value>并行查询</value>
+  </data>
+  <data name="TbDomesticDNSTips" xml:space="preserve">
+    <value>默认仅在路由阶段被调用解析</value>
+  </data>
+  <data name="TbRemoteDNSTips" xml:space="preserve">
+    <value>默认仅在路由阶段被调用解析；请确保远程服务器可访问该 DNS</value>
+  </data>
+  <data name="TbDirectResolveStrategyTips" xml:space="preserve">
+    <value>当未选择或 "AsIs" 时，使用系统 DNS 进行解析；否则，使用内部 DNS 模块解析。</value>
+  </data>
+  <data name="TbRemoteResolveStrategyTips" xml:space="preserve">
+    <value>当未选择或 "AsIs" 时，由远程服务器端 DNS 解析；否则，使用内部 DNS 模块解析。</value>
+  </data>
 </root>

v2rayN/ServiceLib/Resx/ResUI.zh-Hant.resx

@@ -1416,17 +1416,11 @@
   <data name="TbDomesticDNS" xml:space="preserve">
     <value>直連 DNS</value>
   </data>
-  <data name="TbRemoteDNSTips" xml:space="preserve">
+  <data name="TbDirectResolveStrategy" xml:space="preserve">
-   <value>通过代理，请确保远程可用</value>
+    <value>直連目標解析策略</value>
   </data>
-  <data name="TbXrayFreedomStrategy" xml:space="preserve">
+  <data name="TbRemoteResolveStrategy" xml:space="preserve">
-    <value>xray freedom 解析策略</value>
+    <value>代理目標解析策略</value>
-  </data>
-  <data name="TbSBDirectResolveStrategy" xml:space="preserve">
-    <value>sing-box 直連解析策略</value>
-  </data>
-  <data name="TbSBRemoteResolveStrategy" xml:space="preserve">
-    <value>sing-box 遠程解析策略</value>
   </data>
   <data name="TbAddCommonDNSHosts" xml:space="preserve">
     <value>新增常用 DNS Hosts</value>
@@ -1450,7 +1444,7 @@
     <value>校驗相應地區域名 IP</value>
   </data>
   <data name="TbValidateDirectExpectedIPsDesc" xml:space="preserve">
-    <value>配置後，會對相應地區域名（如 geosite:cn）的返回 IP 進行校驗，僅返回期望 IP</value>
+    <value>配置後，會對相應地區域名（如 geosite:cn - geoip:cn）的返回 IP 進行校驗，僅返回期望 IP</value>
   </data>
   <data name="TbCustomDNSEnable" xml:space="preserve">
     <value>啟用自訂 DNS</value>
@@ -1650,4 +1644,22 @@
   <data name="TbCertSha256Tips" xml:space="preserve">
     <value>Certificate fingerprint (SHA-256)</value>
   </data>
+  <data name="TbServeStale" xml:space="preserve">
+    <value>Serve Stale</value>
+  </data>
+  <data name="TbParallelQuery" xml:space="preserve">
+    <value>Parallel Query</value>
+  </data>
+  <data name="TbDomesticDNSTips" xml:space="preserve">
+    <value>By default, invoked only during routing for resolution</value>
+  </data>
+  <data name="TbRemoteDNSTips" xml:space="preserve">
+    <value>By default, invoked only during routing for resolution; ensure the remote server can reach this DNS</value>
+  </data>
+  <data name="TbDirectResolveStrategyTips" xml:space="preserve">
+    <value>If unset or "AsIs", DNS resolution uses the system DNS; otherwise, the internal DNS module is used.</value>
+  </data>
+  <data name="TbRemoteResolveStrategyTips" xml:space="preserve">
+    <value>If unset or "AsIs", DNS resolution is performed by the remote server's DNS; otherwise, the internal DNS module is used.</value>
+  </data>
 </root>

v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxDnsService.cs

@@ -175,18 +175,18 @@ public partial class CoreConfigSingboxService
         singboxConfig.dns.rules ??= new List<Rule4Sbox>();
 
         singboxConfig.dns.rules.AddRange(new[]
-            {
+        {
             new Rule4Sbox { ip_accept_any = true, server = Global.SingboxHostsDNSTag },
             new Rule4Sbox
             {
                 server = Global.SingboxRemoteDNSTag,
-                strategy = simpleDNSItem.SingboxStrategy4Proxy.NullIfEmpty(),
+                strategy = Utils.DomainStrategy4Sbox(simpleDNSItem.Strategy4Proxy),
                 clash_mode = ERuleMode.Global.ToString()
             },
             new Rule4Sbox
             {
                 server = Global.SingboxDirectDNSTag,
-                strategy = simpleDNSItem.SingboxStrategy4Direct.NullIfEmpty(),
+                strategy = Utils.DomainStrategy4Sbox(simpleDNSItem.Strategy4Freedom),
                 clash_mode = ERuleMode.Direct.ToString()
             }
         });
@@ -309,7 +309,7 @@ public partial class CoreConfigSingboxService
             if (item.OutboundTag == Global.DirectTag)
             {
                 rule.server = Global.SingboxDirectDNSTag;
-                rule.strategy = string.IsNullOrEmpty(simpleDNSItem.SingboxStrategy4Direct) ? null : simpleDNSItem.SingboxStrategy4Direct;
+                rule.strategy = Utils.DomainStrategy4Sbox(simpleDNSItem.Strategy4Freedom);
 
                 if (expectedIPsRegions.Count > 0 && rule.geosite?.Count > 0)
                 {
@@ -343,7 +343,7 @@ public partial class CoreConfigSingboxService
                     singboxConfig.dns.rules.Add(rule4Fake);
                 }
                 rule.server = Global.SingboxRemoteDNSTag;
-                rule.strategy = string.IsNullOrEmpty(simpleDNSItem.SingboxStrategy4Proxy) ? null : simpleDNSItem.SingboxStrategy4Proxy;
+                rule.strategy = Utils.DomainStrategy4Sbox(simpleDNSItem.Strategy4Proxy);
             }
 
             singboxConfig.dns.rules.Add(rule);

v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxRoutingService.cs

@@ -7,21 +7,21 @@ public partial class CoreConfigSingboxService
         try
         {
             singboxConfig.route.final = Global.ProxyTag;
-            var item = _config.SimpleDNSItem;
+            var simpleDnsItem = _config.SimpleDNSItem;
 
             var defaultDomainResolverTag = Global.SingboxDirectDNSTag;
-            var directDNSStrategy = item.SingboxStrategy4Direct.IsNullOrEmpty() ? Global.SingboxDomainStrategy4Out.FirstOrDefault() : item.SingboxStrategy4Direct;
+            var directDnsStrategy = Utils.DomainStrategy4Sbox(simpleDnsItem.Strategy4Freedom);
 
             var rawDNSItem = await AppManager.Instance.GetDNSItem(ECoreType.sing_box);
-            if (rawDNSItem != null && rawDNSItem.Enabled == true)
+            if (rawDNSItem is { Enabled: true })
             {
                 defaultDomainResolverTag = Global.SingboxLocalDNSTag;
-                directDNSStrategy = rawDNSItem.DomainStrategy4Freedom.IsNullOrEmpty() ? Global.SingboxDomainStrategy4Out.FirstOrDefault() : rawDNSItem.DomainStrategy4Freedom;
+                directDnsStrategy = rawDNSItem.DomainStrategy4Freedom.IsNullOrEmpty() ? null : rawDNSItem.DomainStrategy4Freedom;
             }
             singboxConfig.route.default_domain_resolver = new()
             {
                 server = defaultDomainResolverTag,
-                strategy = directDNSStrategy
+                strategy = directDnsStrategy
             };
 
             if (_config.TunModeItem.EnableTun)
@@ -73,18 +73,17 @@ public partial class CoreConfigSingboxService
 
             var hostsDomains = new List<string>();
             var dnsItem = await AppManager.Instance.GetDNSItem(ECoreType.sing_box);
-            if (dnsItem == null || dnsItem.Enabled == false)
+            if (dnsItem == null || !dnsItem.Enabled)
             {
-                var simpleDNSItem = _config.SimpleDNSItem;
+                if (!simpleDnsItem.Hosts.IsNullOrEmpty())
-                if (!simpleDNSItem.Hosts.IsNullOrEmpty())
                 {
-                    var userHostsMap = Utils.ParseHostsToDictionary(simpleDNSItem.Hosts);
+                    var userHostsMap = Utils.ParseHostsToDictionary(simpleDnsItem.Hosts);
                     foreach (var kvp in userHostsMap)
                     {
                         hostsDomains.Add(kvp.Key);
                     }
                 }
-                if (simpleDNSItem.UseSystemHosts == true)
+                if (simpleDnsItem.UseSystemHosts == true)
                 {
                     var systemHostsMap = Utils.GetSystemHosts();
                     foreach (var kvp in systemHostsMap)

v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayDnsService.cs

@@ -7,48 +7,74 @@ public partial class CoreConfigV2rayService
         try
         {
             var item = await AppManager.Instance.GetDNSItem(ECoreType.Xray);
-            if (item != null && item.Enabled == true)
+            if (item is { Enabled: true })
             {
                 var result = await GenDnsCompatible(node, v2rayConfig);
 
-                if (v2rayConfig.routing.domainStrategy == Global.IPIfNonMatch)
+                if (v2rayConfig.routing.domainStrategy != Global.IPIfNonMatch)
                 {
-                    // DNS routing
+                    return result;
-                    v2rayConfig.dns.tag = Global.DnsTag;
-                    v2rayConfig.routing.rules.Add(new RulesItem4Ray
-                    {
-                        type = "field",
-                        inboundTag = new List<string> { Global.DnsTag },
-                        outboundTag = Global.ProxyTag,
-                    });
                 }
 
+                // DNS routing
+                var dnsObj = JsonUtils.SerializeToNode(v2rayConfig.dns);
+                if (dnsObj == null)
+                {
+                    return result;
+                }
+
+                dnsObj["tag"] = Global.DnsTag;
+                v2rayConfig.dns = JsonUtils.Deserialize<Dns4Ray>(JsonUtils.Serialize(dnsObj));
+                v2rayConfig.routing.rules.Add(new RulesItem4Ray
+                {
+                    type = "field",
+                    inboundTag = new List<string> { Global.DnsTag },
+                    outboundTag = Global.ProxyTag,
+                });
+
                 return result;
             }
-            var simpleDNSItem = _config.SimpleDNSItem;
+            var simpleDnsItem = _config.SimpleDNSItem;
-            var domainStrategy4Freedom = simpleDNSItem?.RayStrategy4Freedom;
+            var dnsItem = v2rayConfig.dns is Dns4Ray dns4Ray ? dns4Ray : new Dns4Ray();
 
+            var strategy4Freedom = simpleDnsItem?.Strategy4Freedom ?? Global.AsIs;
             //Outbound Freedom domainStrategy
-            if (domainStrategy4Freedom.IsNotEmpty())
+            if (strategy4Freedom.IsNotEmpty() && strategy4Freedom != Global.AsIs)
             {
                 var outbound = v2rayConfig.outbounds.FirstOrDefault(t => t is { protocol: "freedom", tag: Global.DirectTag });
                 if (outbound != null)
                 {
                     outbound.settings = new()
                     {
-                        domainStrategy = domainStrategy4Freedom,
+                        domainStrategy = strategy4Freedom,
                         userLevel = 0
                     };
                 }
             }
 
-            await GenDnsServers(node, v2rayConfig, simpleDNSItem);
+            var strategy4Proxy = simpleDnsItem?.Strategy4Proxy ?? Global.AsIs;
-            await GenDnsHosts(v2rayConfig, simpleDNSItem);
+            //Outbound Proxy domainStrategy
+            if (strategy4Proxy.IsNotEmpty() && strategy4Proxy != Global.AsIs)
+            {
+                var xraySupportConfigTypeNames = Global.XraySupportConfigType
+                        .Select(x => x == EConfigType.Hysteria2 ? "hysteria" : Global.ProtocolTypes[x])
+                        .ToHashSet();
+                v2rayConfig.outbounds
+                    .Where(t => xraySupportConfigTypeNames.Contains(t.protocol))
+                    .ToList()
+                    .ForEach(outbound => outbound.targetStrategy = strategy4Proxy);
+            }
+
+            await GenDnsServers(node, dnsItem, simpleDnsItem);
+            await GenDnsHosts(dnsItem, simpleDnsItem);
+
+            dnsItem.serveStale = simpleDnsItem?.ServeStale is true ? true : null;
+            dnsItem.enableParallelQuery = simpleDnsItem?.ParallelQuery is true ? true : null;
 
             if (v2rayConfig.routing.domainStrategy == Global.IPIfNonMatch)
             {
                 // DNS routing
-                v2rayConfig.dns.tag = Global.DnsTag;
+                dnsItem.tag = Global.DnsTag;
                 v2rayConfig.routing.rules.Add(new RulesItem4Ray
                 {
                     type = "field",
@@ -56,6 +82,8 @@ public partial class CoreConfigV2rayService
                     outboundTag = Global.ProxyTag,
                 });
             }
+
+            v2rayConfig.dns = dnsItem;
         }
         catch (Exception ex)
         {
@@ -64,7 +92,7 @@ public partial class CoreConfigV2rayService
         return 0;
     }
 
-    private async Task<int> GenDnsServers(ProfileItem? node, V2rayConfig v2rayConfig, SimpleDNSItem simpleDNSItem)
+    private async Task<int> GenDnsServers(ProfileItem? node, Dns4Ray dnsItem, SimpleDNSItem simpleDNSItem)
     {
         static List<string> ParseDnsAddresses(string? dnsInput, string defaultAddress)
         {
@@ -77,7 +105,7 @@ public partial class CoreConfigV2rayService
             return addresses.Count > 0 ? addresses : new List<string> { defaultAddress };
         }
 
-        static object CreateDnsServer(string dnsAddress, List<string> domains, List<string>? expectedIPs = null)
+        static object? CreateDnsServer(string dnsAddress, List<string> domains, List<string>? expectedIPs = null)
         {
             var (domain, scheme, port, path) = Utils.ParseUrl(dnsAddress);
             var domainFinal = dnsAddress;
@@ -106,8 +134,8 @@ public partial class CoreConfigV2rayService
             });
         }
 
-        var directDNSAddress = ParseDnsAddresses(simpleDNSItem?.DirectDNS, Global.DomainDirectDNSAddress.FirstOrDefault());
+        var directDNSAddress = ParseDnsAddresses(simpleDNSItem?.DirectDNS, Global.DomainDirectDNSAddress.First());
-        var remoteDNSAddress = ParseDnsAddresses(simpleDNSItem?.RemoteDNS, Global.DomainRemoteDNSAddress.FirstOrDefault());
+        var remoteDNSAddress = ParseDnsAddresses(simpleDNSItem?.RemoteDNS, Global.DomainRemoteDNSAddress.First());
 
         var directDomainList = new List<string>();
         var directGeositeList = new List<string>();
@@ -117,7 +145,7 @@ public partial class CoreConfigV2rayService
         var expectedIPs = new List<string>();
         var regionNames = new HashSet<string>();
 
-        var bootstrapDNSAddress = ParseDnsAddresses(simpleDNSItem?.BootstrapDNS, Global.DomainPureIPDNSAddress.FirstOrDefault());
+        var bootstrapDNSAddress = ParseDnsAddresses(simpleDNSItem?.BootstrapDNS, Global.DomainPureIPDNSAddress.First());
         var dnsServerDomains = new List<string>();
 
         foreach (var dns in directDNSAddress)
@@ -171,51 +199,48 @@ public partial class CoreConfigV2rayService
 
         var routing = await ConfigHandler.GetDefaultRouting(_config);
         List<RulesItem>? rules = null;
-        if (routing != null)
+        rules = JsonUtils.Deserialize<List<RulesItem>>(routing.RuleSet) ?? [];
+        foreach (var item in rules)
         {
-            rules = JsonUtils.Deserialize<List<RulesItem>>(routing.RuleSet) ?? [];
+            if (!item.Enabled || item.Domain is null || item.Domain.Count == 0)
-            foreach (var item in rules)
             {
-                if (!item.Enabled || item.Domain is null || item.Domain.Count == 0)
+                continue;
+            }
+
+            if (item.RuleType == ERuleType.Routing)
+            {
+                continue;
+            }
+
+            foreach (var domain in item.Domain)
+            {
+                if (domain.StartsWith('#'))
                 {
                     continue;
                 }
 
-                if (item.RuleType == ERuleType.Routing)
+                var normalizedDomain = domain.Replace(Global.RoutingRuleComma, ",");
+
+                if (item.OutboundTag == Global.DirectTag)
                 {
-                    continue;
+                    if (normalizedDomain.StartsWith("geosite:") || normalizedDomain.StartsWith("ext:"))
+                    {
+                        (regionNames.Contains(normalizedDomain) ? expectedDomainList : directGeositeList).Add(normalizedDomain);
+                    }
+                    else
+                    {
+                        directDomainList.Add(normalizedDomain);
+                    }
                 }
-
+                else if (item.OutboundTag != Global.BlockTag)
-                foreach (var domain in item.Domain)
                 {
-                    if (domain.StartsWith('#'))
+                    if (normalizedDomain.StartsWith("geosite:") || normalizedDomain.StartsWith("ext:"))
                     {
-                        continue;
+                        proxyGeositeList.Add(normalizedDomain);
                     }
-
+                    else
-                    var normalizedDomain = domain.Replace(Global.RoutingRuleComma, ",");
-
-                    if (item.OutboundTag == Global.DirectTag)
                     {
-                        if (normalizedDomain.StartsWith("geosite:") || normalizedDomain.StartsWith("ext:"))
+                        proxyDomainList.Add(normalizedDomain);
-                        {
-                            (regionNames.Contains(normalizedDomain) ? expectedDomainList : directGeositeList).Add(normalizedDomain);
-                        }
-                        else
-                        {
-                            directDomainList.Add(normalizedDomain);
-                        }
-                    }
-                    else if (item.OutboundTag != Global.BlockTag)
-                    {
-                        if (normalizedDomain.StartsWith("geosite:") || normalizedDomain.StartsWith("ext:"))
-                        {
-                            proxyGeositeList.Add(normalizedDomain);
-                        }
-                        else
-                        {
-                            proxyDomainList.Add(normalizedDomain);
-                        }
                     }
                 }
             }
@@ -244,8 +269,7 @@ public partial class CoreConfigV2rayService
             }
         }
 
-        v2rayConfig.dns ??= new Dns4Ray();
+        dnsItem.servers ??= [];
-        v2rayConfig.dns.servers ??= new List<object>();
 
         void AddDnsServers(List<string> dnsAddresses, List<string> domains, List<string>? expectedIPs = null)
         {
@@ -253,7 +277,7 @@ public partial class CoreConfigV2rayService
             {
                 foreach (var dnsAddress in dnsAddresses)
                 {
-                    v2rayConfig.dns.servers.Add(CreateDnsServer(dnsAddress, domains, expectedIPs));
+                    dnsItem.servers.Add(CreateDnsServer(dnsAddress, domains, expectedIPs));
                 }
             }
         }
@@ -275,22 +299,21 @@ public partial class CoreConfigV2rayService
                 || lastRule.Ip?.Contains("0.0.0.0/0") == true);
 
         var defaultDnsServers = useDirectDns ? directDNSAddress : remoteDNSAddress;
-        v2rayConfig.dns.servers.AddRange(defaultDnsServers);
+        dnsItem.servers.AddRange(defaultDnsServers);
 
         return 0;
     }
 
-    private async Task<int> GenDnsHosts(V2rayConfig v2rayConfig, SimpleDNSItem simpleDNSItem)
+    private async Task<int> GenDnsHosts(Dns4Ray dnsItem, SimpleDNSItem simpleDNSItem)
     {
         if (simpleDNSItem.AddCommonHosts == false && simpleDNSItem.UseSystemHosts == false && simpleDNSItem.Hosts.IsNullOrEmpty())
         {
             return await Task.FromResult(0);
         }
-        v2rayConfig.dns ??= new Dns4Ray();
+        dnsItem.hosts ??= new Dictionary<string, object>();
-        v2rayConfig.dns.hosts ??= new Dictionary<string, object>();
         if (simpleDNSItem.AddCommonHosts == true)
         {
-            v2rayConfig.dns.hosts = Global.PredefinedHosts.ToDictionary(
+            dnsItem.hosts = Global.PredefinedHosts.ToDictionary(
                 kvp => kvp.Key,
                 kvp => (object)kvp.Value
             );
@@ -299,7 +322,7 @@ public partial class CoreConfigV2rayService
         if (simpleDNSItem.UseSystemHosts == true)
         {
             var systemHosts = Utils.GetSystemHosts();
-            var normalHost = v2rayConfig?.dns?.hosts;
+            var normalHost = dnsItem.hosts;
 
             if (normalHost != null && systemHosts?.Count > 0)
             {
@@ -316,7 +339,7 @@ public partial class CoreConfigV2rayService
 
             foreach (var kvp in userHostsMap)
             {
-                v2rayConfig.dns.hosts[kvp.Key] = kvp.Value;
+                dnsItem.hosts[kvp.Key] = kvp.Value;
             }
         }
         return await Task.FromResult(0);

v2rayN/ServiceLib/ViewModels/DNSSettingViewModel.cs

@@ -9,11 +9,12 @@ public class DNSSettingViewModel : MyReactiveObject
     [Reactive] public string? DirectDNS { get; set; }
     [Reactive] public string? RemoteDNS { get; set; }
     [Reactive] public string? BootstrapDNS { get; set; }
-    [Reactive] public string? RayStrategy4Freedom { get; set; }
+    [Reactive] public string? Strategy4Freedom { get; set; }
-    [Reactive] public string? SingboxStrategy4Direct { get; set; }
+    [Reactive] public string? Strategy4Proxy { get; set; }
-    [Reactive] public string? SingboxStrategy4Proxy { get; set; }
     [Reactive] public string? Hosts { get; set; }
     [Reactive] public string? DirectExpectedIPs { get; set; }
+    [Reactive] public bool? ParallelQuery { get; set; }
+    [Reactive] public bool? ServeStale { get; set; }
 
     [Reactive] public bool UseSystemHostsCompatible { get; set; }
     [Reactive] public string DomainStrategy4FreedomCompatible { get; set; }
@@ -70,11 +71,12 @@ public class DNSSettingViewModel : MyReactiveObject
         DirectDNS = item.DirectDNS;
         RemoteDNS = item.RemoteDNS;
         BootstrapDNS = item.BootstrapDNS;
-        RayStrategy4Freedom = item.RayStrategy4Freedom;
+        Strategy4Freedom = item.Strategy4Freedom;
-        SingboxStrategy4Direct = item.SingboxStrategy4Direct;
+        Strategy4Proxy = item.Strategy4Proxy;
-        SingboxStrategy4Proxy = item.SingboxStrategy4Proxy;
         Hosts = item.Hosts;
         DirectExpectedIPs = item.DirectExpectedIPs;
+        ParallelQuery = item.ParallelQuery;
+        ServeStale = item.ServeStale;
 
         var item1 = await AppManager.Instance.GetDNSItem(ECoreType.Xray);
         RayCustomDNSEnableCompatible = item1.Enabled;
@@ -100,11 +102,12 @@ public class DNSSettingViewModel : MyReactiveObject
         _config.SimpleDNSItem.DirectDNS = DirectDNS;
         _config.SimpleDNSItem.RemoteDNS = RemoteDNS;
         _config.SimpleDNSItem.BootstrapDNS = BootstrapDNS;
-        _config.SimpleDNSItem.RayStrategy4Freedom = RayStrategy4Freedom;
+        _config.SimpleDNSItem.Strategy4Freedom = Strategy4Freedom;
-        _config.SimpleDNSItem.SingboxStrategy4Direct = SingboxStrategy4Direct;
+        _config.SimpleDNSItem.Strategy4Proxy = Strategy4Proxy;
-        _config.SimpleDNSItem.SingboxStrategy4Proxy = SingboxStrategy4Proxy;
         _config.SimpleDNSItem.Hosts = Hosts;
         _config.SimpleDNSItem.DirectExpectedIPs = DirectExpectedIPs;
+        _config.SimpleDNSItem.ParallelQuery = ParallelQuery;
+        _config.SimpleDNSItem.ServeStale = ServeStale;
 
         if (NormalDNSCompatible.IsNotEmpty())
         {

v2rayN/v2rayN.Desktop/Views/DNSSettingWindow.axaml

@@ -61,7 +61,15 @@
                             Grid.Column="1"
                             Width="300"
                             Margin="{StaticResource Margin4}"
+                            VerticalAlignment="Center"
                             IsEditable="True" />
+                        <TextBlock
+                            Grid.Row="1"
+                            Grid.Column="2"
+                            Margin="{StaticResource Margin4}"
+                            VerticalAlignment="Center"
+                            Text="{x:Static resx:ResUI.TbDomesticDNSTips}"
+                            TextWrapping="Wrap" />
 
                         <TextBlock
                             Grid.Row="2"
@@ -75,6 +83,7 @@
                             Grid.Column="1"
                             Width="300"
                             Margin="{StaticResource Margin4}"
+                            VerticalAlignment="Center"
                             IsEditable="True" />
                         <TextBlock
                             Grid.Row="2"
@@ -83,7 +92,7 @@
                             VerticalAlignment="Center"
                             Text="{x:Static resx:ResUI.TbRemoteDNSTips}"
                             TextWrapping="Wrap" />
-                        
+
                         <TextBlock
                             Grid.Row="3"
                             Grid.Column="0"
@@ -96,6 +105,7 @@
                             Grid.Column="1"
                             Width="300"
                             Margin="{StaticResource Margin4}"
+                            VerticalAlignment="Center"
                             IsEditable="True" />
                         <TextBlock
                             Grid.Row="3"
@@ -106,59 +116,76 @@
                             TextWrapping="Wrap" />
 
                         <TextBlock
-                            Grid.Row="4"
+                            Grid.Row="5"
                             Grid.Column="0"
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Text="{x:Static resx:ResUI.TbXrayFreedomStrategy}" />
+                            Text="{x:Static resx:ResUI.TbDirectResolveStrategy}" />
                         <ComboBox
-                            x:Name="cmbRayFreedomDNSStrategy"
+                            x:Name="cmbDirectDNSStrategy"
-                            Grid.Row="4"
+                            Grid.Row="5"
                             Grid.Column="1"
                             Width="200"
                             Margin="{StaticResource Margin4}"
+                            VerticalAlignment="Center"
                             PlaceholderText="Default" />
-
                         <TextBlock
                             Grid.Row="5"
-                            Grid.Column="0"
+                            Grid.Column="2"
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Text="{x:Static resx:ResUI.TbSBDirectResolveStrategy}" />
+                            Text="{x:Static resx:ResUI.TbDirectResolveStrategyTips}"
-                        <ComboBox
+                            TextWrapping="Wrap" />
-                            x:Name="cmbSBDirectDNSStrategy"
-                            Grid.Row="5"
-                            Grid.Column="1"
-                            Width="200"
-                            Margin="{StaticResource Margin4}"
-                            PlaceholderText="Default" />
 
                         <TextBlock
                             Grid.Row="6"
                             Grid.Column="0"
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Text="{x:Static resx:ResUI.TbSBRemoteResolveStrategy}" />
+                            Text="{x:Static resx:ResUI.TbRemoteResolveStrategy}" />
                         <ComboBox
-                            x:Name="cmbSBRemoteDNSStrategy"
+                            x:Name="cmbRemoteDNSStrategy"
                             Grid.Row="6"
                             Grid.Column="1"
                             Width="200"
                             Margin="{StaticResource Margin4}"
+                            VerticalAlignment="Center"
                             PlaceholderText="Default" />
+                        <TextBlock
+                            Grid.Row="6"
+                            Grid.Column="2"
+                            Margin="{StaticResource Margin4}"
+                            VerticalAlignment="Center"
+                            Text="{x:Static resx:ResUI.TbRemoteResolveStrategyTips}"
+                            TextWrapping="Wrap" />
 
                         <TextBlock
                             Grid.Row="7"
                             Grid.Column="0"
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Text="{x:Static resx:ResUI.TbAddCommonDNSHosts}" />
+                            Text="{x:Static resx:ResUI.TbParallelQuery}" />
                         <ToggleSwitch
-                            x:Name="togAddCommonHosts"
+                            x:Name="togParallelQuery"
                             Grid.Row="7"
                             Grid.Column="1"
                             Margin="{StaticResource Margin4}"
-                            HorizontalAlignment="Left" />
+                            HorizontalAlignment="Left"
+                            VerticalAlignment="Center" />
+
+                        <TextBlock
+                            Grid.Row="8"
+                            Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
+                            VerticalAlignment="Center"
+                            Text="{x:Static resx:ResUI.TbServeStale}" />
+                        <ToggleSwitch
+                            x:Name="togServeStale"
+                            Grid.Row="8"
+                            Grid.Column="1"
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left"
+                            VerticalAlignment="Center" />
                     </Grid>
                 </ScrollViewer>
             </TabItem>
@@ -169,7 +196,7 @@
                         x:Name="gridAdvancedDNSSettings"
                         Margin="{StaticResource Margin8}"
                         ColumnDefinitions="Auto,Auto,*"
-                        RowDefinitions="Auto,Auto,Auto,Auto,Auto,Auto,*">
+                        RowDefinitions="Auto,Auto,Auto,Auto,Auto,Auto,Auto,*">
 
                         <TextBlock
                             x:Name="txtAdvancedDNSSettingsInvalid"
@@ -190,22 +217,38 @@
                             Grid.Row="1"
                             Grid.Column="1"
                             Margin="{StaticResource Margin4}"
-                            HorizontalAlignment="Left" />
+                            HorizontalAlignment="Left"
+                            VerticalAlignment="Center" />
 
                         <TextBlock
                             Grid.Row="2"
                             Grid.Column="0"
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Text="{x:Static resx:ResUI.TbFakeIP}" />
+                            Text="{x:Static resx:ResUI.TbAddCommonDNSHosts}" />
                         <ToggleSwitch
-                            x:Name="togFakeIP"
+                            x:Name="togAddCommonHosts"
                             Grid.Row="2"
                             Grid.Column="1"
                             Margin="{StaticResource Margin4}"
-                            HorizontalAlignment="Left" />
+                            HorizontalAlignment="Left"
+                            VerticalAlignment="Center" />
+
                         <TextBlock
-                            Grid.Row="2"
+                            Grid.Row="3"
+                            Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
+                            VerticalAlignment="Center"
+                            Text="{x:Static resx:ResUI.TbFakeIP}" />
+                        <ToggleSwitch
+                            x:Name="togFakeIP"
+                            Grid.Row="3"
+                            Grid.Column="1"
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left"
+                            VerticalAlignment="Center" />
+                        <TextBlock
+                            Grid.Row="3"
                             Grid.Column="2"
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
@@ -213,19 +256,20 @@
                             TextWrapping="Wrap" />
 
                         <TextBlock
-                            Grid.Row="3"
+                            Grid.Row="4"
                             Grid.Column="0"
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
                             Text="{x:Static resx:ResUI.TbBlockSVCBHTTPSQueries}" />
                         <ToggleSwitch
                             x:Name="togBlockBindingQuery"
-                            Grid.Row="3"
+                            Grid.Row="4"
                             Grid.Column="1"
                             Margin="{StaticResource Margin4}"
-                            HorizontalAlignment="Left" />
+                            HorizontalAlignment="Left"
+                            VerticalAlignment="Center" />
                         <TextBlock
-                            Grid.Row="3"
+                            Grid.Row="4"
                             Grid.Column="2"
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
@@ -233,20 +277,21 @@
                             TextWrapping="Wrap" />
 
                         <TextBlock
-                            Grid.Row="4"
+                            Grid.Row="5"
                             Grid.Column="0"
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
                             Text="{x:Static resx:ResUI.TbValidateDirectExpectedIPs}" />
                         <ComboBox
                             x:Name="cmbDirectExpectedIPs"
-                            Grid.Row="4"
+                            Grid.Row="5"
                             Grid.Column="1"
                             Width="200"
                             Margin="{StaticResource Margin4}"
+                            VerticalAlignment="Center"
                             IsEditable="True" />
                         <TextBlock
-                            Grid.Row="4"
+                            Grid.Row="5"
                             Grid.Column="2"
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
@@ -254,7 +299,7 @@
                             TextWrapping="Wrap" />
 
                         <TextBlock
-                            Grid.Row="5"
+                            Grid.Row="6"
                             Grid.Column="0"
                             Grid.ColumnSpan="3"
                             Margin="{StaticResource Margin4}"
@@ -263,7 +308,7 @@
 
                         <TextBox
                             x:Name="txtHosts"
-                            Grid.Row="6"
+                            Grid.Row="7"
                             Grid.Column="0"
                             Grid.ColumnSpan="3"
                             Margin="{StaticResource Margin4}"

v2rayN/v2rayN.Desktop/Views/DNSSettingWindow.axaml.cs

@@ -15,16 +15,15 @@ public partial class DNSSettingWindow : WindowBase<DNSSettingViewModel>
         btnCancel.Click += (s, e) => Close();
         ViewModel = new DNSSettingViewModel(UpdateViewHandler);
 
-        cmbRayFreedomDNSStrategy.ItemsSource = Global.DomainStrategy4Freedoms;
+        cmbDirectDNSStrategy.ItemsSource = Global.DomainStrategy;
-        cmbSBDirectDNSStrategy.ItemsSource = Global.SingboxDomainStrategy4Out;
+        cmbRemoteDNSStrategy.ItemsSource = Global.DomainStrategy;
-        cmbSBRemoteDNSStrategy.ItemsSource = Global.SingboxDomainStrategy4Out;
         cmbDirectDNS.ItemsSource = Global.DomainDirectDNSAddress;
         cmbRemoteDNS.ItemsSource = Global.DomainRemoteDNSAddress;
         cmbBootstrapDNS.ItemsSource = Global.DomainPureIPDNSAddress;
         cmbDirectExpectedIPs.ItemsSource = Global.ExpectedIPs;
 
-        cmbdomainStrategy4FreedomCompatible.ItemsSource = Global.DomainStrategy4Freedoms;
+        cmbdomainStrategy4FreedomCompatible.ItemsSource = Global.DomainStrategy;
-        cmbdomainStrategy4OutCompatible.ItemsSource = Global.SingboxDomainStrategy4Out;
+        cmbdomainStrategy4OutCompatible.ItemsSource = Global.DomainStrategies4Sbox;
         cmbdomainDNSAddressCompatible.ItemsSource = Global.DomainPureIPDNSAddress;
         cmbdomainDNSAddress2Compatible.ItemsSource = Global.DomainPureIPDNSAddress;
 
@@ -37,11 +36,12 @@ public partial class DNSSettingWindow : WindowBase<DNSSettingViewModel>
             this.Bind(ViewModel, vm => vm.DirectDNS, v => v.cmbDirectDNS.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.RemoteDNS, v => v.cmbRemoteDNS.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.BootstrapDNS, v => v.cmbBootstrapDNS.Text).DisposeWith(disposables);
-            this.Bind(ViewModel, vm => vm.RayStrategy4Freedom, v => v.cmbRayFreedomDNSStrategy.SelectedItem).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.Strategy4Freedom, v => v.cmbDirectDNSStrategy.SelectedItem).DisposeWith(disposables);
-            this.Bind(ViewModel, vm => vm.SingboxStrategy4Direct, v => v.cmbSBDirectDNSStrategy.SelectedItem).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.Strategy4Proxy, v => v.cmbRemoteDNSStrategy.SelectedItem).DisposeWith(disposables);
-            this.Bind(ViewModel, vm => vm.SingboxStrategy4Proxy, v => v.cmbSBRemoteDNSStrategy.SelectedItem).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.Hosts, v => v.txtHosts.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.DirectExpectedIPs, v => v.cmbDirectExpectedIPs.Text).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.ParallelQuery, v => v.togParallelQuery.IsChecked).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.ServeStale, v => v.togServeStale.IsChecked).DisposeWith(disposables);
 
             this.BindCommand(ViewModel, vm => vm.SaveCmd, v => v.btnSave).DisposeWith(disposables);
 

v2rayN/v2rayN.Desktop/Views/RoutingRuleSettingWindow.axaml.cs

@@ -26,7 +26,7 @@ public partial class RoutingRuleSettingWindow : WindowBase<RoutingRuleSettingVie
         ViewModel = new RoutingRuleSettingViewModel(routingItem, UpdateViewHandler);
 
         cmbdomainStrategy.ItemsSource = Global.DomainStrategies.AppendEmpty();
-        cmbdomainStrategy4Singbox.ItemsSource = Global.DomainStrategies4Singbox;
+        cmbdomainStrategy4Singbox.ItemsSource = Global.DomainStrategies4Sbox;
 
         this.WhenActivated(disposables =>
         {

v2rayN/v2rayN.Desktop/Views/RoutingSettingWindow.axaml.cs

@@ -22,7 +22,7 @@ public partial class RoutingSettingWindow : WindowBase<RoutingSettingViewModel>
         ViewModel = new RoutingSettingViewModel(UpdateViewHandler);
 
         cmbdomainStrategy.ItemsSource = Global.DomainStrategies;
-        cmbdomainStrategy4Singbox.ItemsSource = Global.DomainStrategies4Singbox;
+        cmbdomainStrategy4Singbox.ItemsSource = Global.DomainStrategies4Sbox;
 
         this.WhenActivated(disposables =>
         {

v2rayN/v2rayN/Views/DNSSettingWindow.xaml

@@ -84,6 +84,14 @@
                             Margin="{StaticResource Margin8}"
                             IsEditable="True"
                             Style="{StaticResource DefComboBox}" />
+                        <TextBlock
+                            Grid.Row="1"
+                            Grid.Column="2"
+                            Margin="{StaticResource Margin8}"
+                            VerticalAlignment="Center"
+                            Style="{StaticResource ToolbarTextBlock}"
+                            Text="{x:Static resx:ResUI.TbDomesticDNSTips}"
+                            TextWrapping="Wrap" />
 
                         <TextBlock
                             Grid.Row="2"
@@ -134,36 +142,28 @@
                             TextWrapping="Wrap" />
 
                         <TextBlock
-                            Grid.Row="4"
+                            Grid.Row="5"
                             Grid.Column="0"
                             Margin="{StaticResource Margin8}"
                             VerticalAlignment="Center"
                             Style="{StaticResource ToolbarTextBlock}"
-                            Text="{x:Static resx:ResUI.TbXrayFreedomStrategy}" />
+                            Text="{x:Static resx:ResUI.TbDirectResolveStrategy}" />
                         <ComboBox
-                            x:Name="cmbRayFreedomDNSStrategy"
+                            x:Name="cmbDirectDNSStrategy"
-                            Grid.Row="4"
+                            Grid.Row="5"
                             Grid.Column="1"
                             Width="200"
                             Margin="{StaticResource Margin8}"
                             materialDesign:HintAssist.Hint="Default"
                             Style="{StaticResource DefComboBox}" />
-
                         <TextBlock
                             Grid.Row="5"
-                            Grid.Column="0"
+                            Grid.Column="2"
                             Margin="{StaticResource Margin8}"
                             VerticalAlignment="Center"
                             Style="{StaticResource ToolbarTextBlock}"
-                            Text="{x:Static resx:ResUI.TbSBDirectResolveStrategy}" />
+                            Text="{x:Static resx:ResUI.TbDirectResolveStrategyTips}"
-                        <ComboBox
+                            TextWrapping="Wrap" />
-                            x:Name="cmbSBDirectDNSStrategy"
-                            Grid.Row="5"
-                            Grid.Column="1"
-                            Width="200"
-                            Margin="{StaticResource Margin8}"
-                            materialDesign:HintAssist.Hint="Default"
-                            Style="{StaticResource DefComboBox}" />
 
                         <TextBlock
                             Grid.Row="6"
@@ -171,15 +171,23 @@
                             Margin="{StaticResource Margin8}"
                             VerticalAlignment="Center"
                             Style="{StaticResource ToolbarTextBlock}"
-                            Text="{x:Static resx:ResUI.TbSBRemoteResolveStrategy}" />
+                            Text="{x:Static resx:ResUI.TbRemoteResolveStrategy}" />
                         <ComboBox
-                            x:Name="cmbSBRemoteDNSStrategy"
+                            x:Name="cmbRemoteDNSStrategy"
                             Grid.Row="6"
                             Grid.Column="1"
                             Width="200"
                             Margin="{StaticResource Margin8}"
                             materialDesign:HintAssist.Hint="Default"
                             Style="{StaticResource DefComboBox}" />
+                        <TextBlock
+                            Grid.Row="6"
+                            Grid.Column="2"
+                            Margin="{StaticResource Margin8}"
+                            VerticalAlignment="Center"
+                            Style="{StaticResource ToolbarTextBlock}"
+                            Text="{x:Static resx:ResUI.TbRemoteResolveStrategyTips}"
+                            TextWrapping="Wrap" />
 
                         <TextBlock
                             Grid.Row="7"
@@ -187,13 +195,27 @@
                             Margin="{StaticResource Margin8}"
                             VerticalAlignment="Center"
                             Style="{StaticResource ToolbarTextBlock}"
-                            Text="{x:Static resx:ResUI.TbAddCommonDNSHosts}" />
+                            Text="{x:Static resx:ResUI.TbParallelQuery}" />
                         <ToggleButton
-                            x:Name="togAddCommonHosts"
+                            x:Name="togParallelQuery"
                             Grid.Row="7"
                             Grid.Column="1"
                             Margin="{StaticResource Margin8}"
                             HorizontalAlignment="Left" />
+
+                        <TextBlock
+                            Grid.Row="8"
+                            Grid.Column="0"
+                            Margin="{StaticResource Margin8}"
+                            VerticalAlignment="Center"
+                            Style="{StaticResource ToolbarTextBlock}"
+                            Text="{x:Static resx:ResUI.TbServeStale}" />
+                        <ToggleButton
+                            x:Name="togServeStale"
+                            Grid.Row="8"
+                            Grid.Column="1"
+                            Margin="{StaticResource Margin8}"
+                            HorizontalAlignment="Left" />
                     </Grid>
                 </ScrollViewer>
             </TabItem>
@@ -207,6 +229,7 @@
                             <RowDefinition Height="Auto" />
                             <RowDefinition Height="Auto" />
                             <RowDefinition Height="Auto" />
+                            <RowDefinition Height="Auto" />
                             <RowDefinition Height="*" />
                         </Grid.RowDefinitions>
                         <Grid.ColumnDefinitions>
@@ -245,15 +268,29 @@
                             Margin="{StaticResource Margin8}"
                             VerticalAlignment="Center"
                             Style="{StaticResource ToolbarTextBlock}"
-                            Text="{x:Static resx:ResUI.TbFakeIP}" />
+                            Text="{x:Static resx:ResUI.TbAddCommonDNSHosts}" />
                         <ToggleButton
-                            x:Name="togFakeIP"
+                            x:Name="togAddCommonHosts"
                             Grid.Row="2"
                             Grid.Column="1"
                             Margin="{StaticResource Margin8}"
                             HorizontalAlignment="Left" />
+
                         <TextBlock
-                            Grid.Row="2"
+                            Grid.Row="3"
+                            Grid.Column="0"
+                            Margin="{StaticResource Margin8}"
+                            VerticalAlignment="Center"
+                            Style="{StaticResource ToolbarTextBlock}"
+                            Text="{x:Static resx:ResUI.TbFakeIP}" />
+                        <ToggleButton
+                            x:Name="togFakeIP"
+                            Grid.Row="3"
+                            Grid.Column="1"
+                            Margin="{StaticResource Margin8}"
+                            HorizontalAlignment="Left" />
+                        <TextBlock
+                            Grid.Row="3"
                             Grid.Column="2"
                             Margin="{StaticResource Margin8}"
                             VerticalAlignment="Center"
@@ -262,7 +299,7 @@
                             TextWrapping="Wrap" />
 
                         <TextBlock
-                            Grid.Row="3"
+                            Grid.Row="4"
                             Grid.Column="0"
                             Margin="{StaticResource Margin8}"
                             VerticalAlignment="Center"
@@ -270,12 +307,12 @@
                             Text="{x:Static resx:ResUI.TbBlockSVCBHTTPSQueries}" />
                         <ToggleButton
                             x:Name="togBlockBindingQuery"
-                            Grid.Row="3"
+                            Grid.Row="4"
                             Grid.Column="1"
                             Margin="{StaticResource Margin8}"
                             HorizontalAlignment="Left" />
                         <TextBlock
-                            Grid.Row="3"
+                            Grid.Row="4"
                             Grid.Column="2"
                             Margin="{StaticResource Margin8}"
                             VerticalAlignment="Center"
@@ -284,7 +321,7 @@
                             TextWrapping="Wrap" />
 
                         <TextBlock
-                            Grid.Row="4"
+                            Grid.Row="5"
                             Grid.Column="0"
                             Margin="{StaticResource Margin8}"
                             VerticalAlignment="Center"
@@ -292,14 +329,14 @@
                             Text="{x:Static resx:ResUI.TbValidateDirectExpectedIPs}" />
                         <ComboBox
                             x:Name="cmbDirectExpectedIPs"
-                            Grid.Row="4"
+                            Grid.Row="5"
                             Grid.Column="1"
                             Width="200"
                             Margin="{StaticResource Margin8}"
                             IsEditable="True"
                             Style="{StaticResource DefComboBox}" />
                         <TextBlock
-                            Grid.Row="4"
+                            Grid.Row="5"
                             Grid.Column="2"
                             Margin="{StaticResource Margin8}"
                             VerticalAlignment="Center"
@@ -308,7 +345,7 @@
                             TextWrapping="Wrap" />
 
                         <TextBlock
-                            Grid.Row="5"
+                            Grid.Row="6"
                             Grid.Column="0"
                             Grid.ColumnSpan="3"
                             Margin="{StaticResource Margin8}"
@@ -317,7 +354,7 @@
                             Text="{x:Static resx:ResUI.TbDNSHostsConfig}" />
                         <TextBox
                             x:Name="txtHosts"
-                            Grid.Row="6"
+                            Grid.Row="7"
                             Grid.Column="0"
                             Grid.ColumnSpan="3"
                             Margin="{StaticResource Margin8}"

v2rayN/v2rayN/Views/DNSSettingWindow.xaml.cs

@@ -13,16 +13,15 @@ public partial class DNSSettingWindow
 
         ViewModel = new DNSSettingViewModel(UpdateViewHandler);
 
-        cmbRayFreedomDNSStrategy.ItemsSource = Global.DomainStrategy4Freedoms;
+        cmbDirectDNSStrategy.ItemsSource = Global.DomainStrategy;
-        cmbSBDirectDNSStrategy.ItemsSource = Global.SingboxDomainStrategy4Out;
+        cmbRemoteDNSStrategy.ItemsSource = Global.DomainStrategy;
-        cmbSBRemoteDNSStrategy.ItemsSource = Global.SingboxDomainStrategy4Out;
         cmbDirectDNS.ItemsSource = Global.DomainDirectDNSAddress;
         cmbRemoteDNS.ItemsSource = Global.DomainRemoteDNSAddress;
         cmbBootstrapDNS.ItemsSource = Global.DomainPureIPDNSAddress;
         cmbDirectExpectedIPs.ItemsSource = Global.ExpectedIPs;
 
-        cmbdomainStrategy4FreedomCompatible.ItemsSource = Global.DomainStrategy4Freedoms;
+        cmbdomainStrategy4FreedomCompatible.ItemsSource = Global.DomainStrategy;
-        cmbdomainStrategy4OutCompatible.ItemsSource = Global.SingboxDomainStrategy4Out;
+        cmbdomainStrategy4OutCompatible.ItemsSource = Global.DomainStrategies4Sbox;
         cmbdomainDNSAddressCompatible.ItemsSource = Global.DomainPureIPDNSAddress;
         cmbdomainDNSAddress2Compatible.ItemsSource = Global.DomainPureIPDNSAddress;
 
@@ -35,11 +34,12 @@ public partial class DNSSettingWindow
             this.Bind(ViewModel, vm => vm.DirectDNS, v => v.cmbDirectDNS.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.RemoteDNS, v => v.cmbRemoteDNS.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.BootstrapDNS, v => v.cmbBootstrapDNS.Text).DisposeWith(disposables);
-            this.Bind(ViewModel, vm => vm.RayStrategy4Freedom, v => v.cmbRayFreedomDNSStrategy.Text).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.Strategy4Freedom, v => v.cmbDirectDNSStrategy.Text).DisposeWith(disposables);
-            this.Bind(ViewModel, vm => vm.SingboxStrategy4Direct, v => v.cmbSBDirectDNSStrategy.Text).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.Strategy4Proxy, v => v.cmbRemoteDNSStrategy.Text).DisposeWith(disposables);
-            this.Bind(ViewModel, vm => vm.SingboxStrategy4Proxy, v => v.cmbSBRemoteDNSStrategy.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.Hosts, v => v.txtHosts.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.DirectExpectedIPs, v => v.cmbDirectExpectedIPs.Text).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.ParallelQuery, v => v.togParallelQuery.IsChecked).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.ServeStale, v => v.togServeStale.IsChecked).DisposeWith(disposables);
 
             this.BindCommand(ViewModel, vm => vm.SaveCmd, v => v.btnSave).DisposeWith(disposables);
 

v2rayN/v2rayN/Views/RoutingRuleSettingWindow.xaml.cs

@@ -18,7 +18,7 @@ public partial class RoutingRuleSettingWindow
         ViewModel = new RoutingRuleSettingViewModel(routingItem, UpdateViewHandler);
 
         cmbdomainStrategy.ItemsSource = Global.DomainStrategies.AppendEmpty();
-        cmbdomainStrategy4Singbox.ItemsSource = Global.DomainStrategies4Singbox;
+        cmbdomainStrategy4Singbox.ItemsSource = Global.DomainStrategies4Sbox;
 
         this.WhenActivated(disposables =>
         {

v2rayN/v2rayN/Views/RoutingSettingWindow.xaml.cs

@@ -17,7 +17,7 @@ public partial class RoutingSettingWindow
         ViewModel = new RoutingSettingViewModel(UpdateViewHandler);
 
         cmbdomainStrategy.ItemsSource = Global.DomainStrategies;
-        cmbdomainStrategy4Singbox.ItemsSource = Global.DomainStrategies4Singbox;
+        cmbdomainStrategy4Singbox.ItemsSource = Global.DomainStrategies4Sbox;
 
         this.WhenActivated(disposables =>
         {