Update chetvi2026.json

domains/chetvi2026.json

@@ -4,6 +4,8 @@
         "email": "chetvi.2026@gmail.com"
     },
     "records": {
-        "CNAME": "chetvi2026.github.io"
+        "CNAME": "chetvi2026.github.io",
+        "MX": ["mx1.improvmx.com", "mx2.improvmx.com"],
+        "TXT": ["v=spf1 include:spf.improvmx.com ~all"]
     }
 }