Update xrap1dx.json

domains/xrap1dx.json

@@ -6,6 +6,12 @@
         "email": "sirrapid155@gmail.com"
     },
     "record": {
-        "A": ["69.30.249.53"]
+        "A": [
+            "69.30.249.53"
+        ],
+        "MX": [
+            "mx1.improvmx.com",
+            "mx2.improvmx.com"
+        ]
     }
 }