diff --git a/sub/default.json b/sub/default.json
index d98a03ef..840bf93e 100644
--- a/sub/default.json
+++ b/sub/default.json
@@ -74,7 +74,7 @@
     }
   },
   "routing": {
-    "domainStrategy": "AsIs",
+    "domainStrategy": "IPIfNonMatch",
     "rules": [
       {
         "type": "field",
@@ -84,4 +84,4 @@
     ]
   },
   "stats": {}
-}
\ No newline at end of file
+}