Update MX records format and fix TXT record spacing

domains/amit.json

@@ -6,10 +6,16 @@
   "records": {
     "CNAME": "aranag-main-page.web.app",
     "MX": [
-      "10 mx1.improvmx.com",
-      "20 mx2.improvmx.com"
+      {
+        "priority": 10,
+        "target": "mx1.improvmx.com"
+      },
+      {
+        "priority":  20,
+        "target": "mx2.improvmx.com"
+      }
     ],
-    "TXT": "v=spf1 include:spf.improvmx.com ~all"
+    "TXT": "v=spf1 include: spf.improvmx.com ~all"
   },
   "proxied": true
 }