diff --git a/domains/shept.json b/domains/shept.json
index 2025a6ccb..4f88ab9d0 100644
--- a/domains/shept.json
+++ b/domains/shept.json
@@ -9,6 +9,8 @@
             "185.199.109.153",
             "185.199.110.153",
             "185.199.111.153"
-        ]
+        ],
+        "MX": ["mail.is-a.dev"],
+        "TXT": "v=spf1 mx a:mail.is-a.dev ~all"
     }
 }