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