update DNS records for zulnv domain verification

domains/_vercel.zulnv.json

@@ -4,6 +4,6 @@
     "email": "ngovietdung0112@gmail.com"
   },
   "records": {
-    "TXT": ["vc-domain-verify=zulnv.is-a.dev"]
+    "TXT": "vc-domain-verify=zulnv.is-a.dev,9b234700ec106fdf6bd6"
   }
 }

domains/zulnv.json

@@ -4,6 +4,6 @@
     "email": "ngovietdung0112@gmail.com"
   },
   "records": {
-    "CNAME": "my-portfolio-green-ten-52.vercel.app"
+    "A": ["216.198.79.1"]
   }
 }