Update MX records format in jalan.json

domains/jalan.json

@@ -5,8 +5,8 @@
   },
   "records": {
     "MX": [
-      { "priority": 10, "value": "mx1.improvmx.com" },
-      { "priority": 20, "value": "mx2.improvmx.com" }
+      { "target": "mx1.improvmx.com", "priority": 10 },
+      { "target": "mx2.improvmx.com", "priority": 20 }
     ]
   }
 }