Update DNS records in root-om.json

Added TXT and MX records for domain configuration.

domains/root-om.json

@@ -4,6 +4,12 @@
     "email": "darshanuniversity792@gmail.com"
   },
   "records": {
-   "A": ["216.198.79.1"]
+    "A": ["216.198.79.1"],
+    "TXT": ["zoho-verification=zb02297288.zmverify.zoho.in", "v=spf1 include:zohomail.com ~all"],
+    "MX": [
+      { "target": "mx.zoho.in", "priority": 10 },
+      { "target": "mx2.zoho.in", "priority": 20 },
+      { "target": "mx3.zoho.in", "priority": 50 }
+    ]
   }
 }