diff --git a/domains/coolcodersj.json b/domains/coolcodersj.json
index 90eb28cceb..3d3d0f082b 100644
--- a/domains/coolcodersj.json
+++ b/domains/coolcodersj.json
@@ -6,8 +6,10 @@
   "description": "Portfolio",
   "record": {
     "CNAME": "coolcodersj.github.io",
-    "MX": "mx1.improvmx.com",
-    "MX": "mx2.improvmx.com",
+    "MX": [
+          "mx1.improvmx.com",
+          "mx2.improvmx.com"
+          ]
     "TXT": "v=spf1 include:spf.improvmx.com ~all"
   }
 }