diff --git a/domains/matrixcoder.json b/domains/matrixcoder.json
index 93e05d487..eba8d9732 100644
--- a/domains/matrixcoder.json
+++ b/domains/matrixcoder.json
@@ -12,6 +12,7 @@
           "185.199.110.153",
           "185.199.111.153"
           ],
+        "CNAME": "matrixcoder0101.github.io"
         "MX": [
             "mx1.improvmx.com",
             "mx2.improvmx.com"