Update sdheeraj.json

domains/sdheeraj.json

@@ -1,9 +1,11 @@
 {
   "owner": {
-    "username": "17sdheeraj"
+    "username": "17sdheeraj",
+    "email": "contact@sdheeraj.is-cool.dev"
   },
   "records": {
     "CNAME": "17sdheeraj.github.io",
-    "MX": ["mx1.improvmx.com", "mx2.improvmx.com"]
+    "MX": ["mx1.improvmx.com", "mx2.improvmx.com"],
+    "TXT": "v=spf1 include:spf.improvmx.com include:_spf.google.com ~all"
   }
 }