add email

domains/svnty.json

@@ -6,6 +6,19 @@
   "records": {
     "A": [
       "216.198.79.1"
+    ],
+    "MX": [
+      {
+        "priority": 10,
+        "value": "mx1.improvmx.com."
+      },
+      {
+        "priority": 20,
+        "value": "mx2.improvmx.com."
+      }
+    ],
+    "TXT": [
+      "v=spf1 include:spf.improvmx.com ~all"
     ]
   }
 }