Update mail.json

domains/mail.json

@@ -7,6 +7,9 @@
     "record": {
         "A": ["51.161.54.164"],
         "MX": ["mail.is-a.dev"],
-        "TXT": "v=spf1 mx a:mail.is-a.dev ~all"
+        "TXT": [
+            "v=spf1 mx a:mail.is-a.dev ~all",
+            "google-site-verification=pcSxUAiBwhvh9AVBbSSkKZovjsUFZzMgnh3q6XfGe1E"
+        ]
     }
 }