Merge pull request #8600 from t6c/main

BETA: Register tien.is-a.dev

domains/tien.json

@@ -0,0 +1,11 @@
+{
+    "owner": {
+        "username": "t6c",
+        "email": "tien2309n@gmail.com"
+    },
+    "record": {
+        "A": ["217.174.245.249"],
+        "MX": ["hosts.is-a.dev"],
+        "TXT": "v=spf1 a mx ip4:217.174.245.249 ~all"
+    }
+}