fix: correct record format for root CNAME

domains/rahulkumar.json

@@ -4,9 +4,7 @@
     "email": "chhonkarrahul1362@gmail.com"
   },
   "records": {
-    "CNAME": "RahulKumar-007.github.io",
-    "name": "@",
-    "target": "RahulKumar-007.github.io"
+    "CNAME": "RahulKumar-007.github.io"
   }
 }