diff --git a/domains/duckers.json b/domains/duckers.json
index 9d5a23ceba..aa44cb38fe 100644
--- a/domains/duckers.json
+++ b/domains/duckers.json
@@ -8,5 +8,6 @@
 "feedback-smtp.eu-west-1.amazonses.com"
 ],
         "TXT": "v=spf1 include:amazonses.com ~all"
-    }
+    },
+    "proxied": true
 }