Update deadcode.json

domains/deadcode.json

@@ -4,6 +4,12 @@
         "email": "richard@kanshen.click"
     },
     "record": {
-        "CNAME": "deadcodegames.github.io"
-    }
+        "CNAME": "deadcodegames.github.io",
+        "MX": [
+          "mx1.improvmx.com",
+          "mx2.improvmx.com"
+        ],
+        "TXT": "v=spf1 include:spf.improvmx.com ~all"
+    },
+    
 }