diff --git a/domains/reserved/www.is-not-a.dev.json b/domains/reserved/www.is-not-a.dev.json
index 6d2be8f9..d0e314d8 100644
--- a/domains/reserved/www.is-not-a.dev.json
+++ b/domains/reserved/www.is-not-a.dev.json
@@ -11,7 +11,7 @@
   },
 
   "record": {
-    "CNAME": "open-domains.github.io"
+    "CNAME": "open-domains.github.io."
   },
 
   "proxy": false