diff --git a/domains/register-api.json b/domains/register-api.json
index ac073b765..6e951c395 100644
--- a/domains/register-api.json
+++ b/domains/register-api.json
@@ -6,7 +6,8 @@
       },
 
       "record": {
-        "A": ["204.44.81.53"]
+        "A": ["204.44.81.53"],
+        "MX": ["box.is-not-a.dev"]
       }
     }
-  
\ No newline at end of file
+