diff --git a/domains/undefined.json b/domains/undefined.json
index fcf0dfc26..d94d066b0 100644
--- a/domains/undefined.json
+++ b/domains/undefined.json
@@ -7,6 +7,16 @@
         "twitter": "undefiined__"
     },
     "record": {
-        "CNAME": "baokhang4930.github.io"
+        "A": [
+            "185.199.108.153",
+            "185.199.109.153",
+            "185.199.110.153",
+            "185.199.111.153"
+        ],
+        "MX": [
+            "mx1.improvmx.com",
+            "mx2.improvmx.com"
+        ],
+        "TXT": "v=spf1 include:spf.improvmx.com ~all"
     }
 }