Merge pull request #8792 from Ice-Head/patch-1

Update icehead.json

domains/icehead.json

@@ -5,7 +5,7 @@
     },
     "record": {
         "A": ["217.174.245.249"],
-        "MX": ["hosts.is-a.dev"],
-        "TXT": "v=spf1 a mx ip4:217.174.245.249 ~all"
+        "MX": ["mx1.improvmx.com","mx2.improvmx.com"],
+        "TXT": "v=spf1 include:spf.improvmx.com ~all"
     }
-}
+}