diff --git a/domains/william.json b/domains/william.json
index 658369d28..79ff4382e 100644
--- a/domains/william.json
+++ b/domains/william.json
@@ -7,6 +7,8 @@
   },
   
   "record": {
-    "URL": "http://is-a-dev.redirect.williamharrison.xyz"
+    "URL": "http://is-a-dev.redirect.williamharrison.xyz",
+    
+    "MX": "ms59168314.msv1.invalid"
   }
 }