diff --git a/domains/mtee.json b/domains/mtee.json
new file mode 100644
index 0000000000..c522d54957
--- /dev/null
+++ b/domains/mtee.json
@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "m-t-2025-gth",
+    "email": "m.tsubasa.2025@gmail.com"
+  },
+  "records": {
+    "CNAME": "m-t-2025-gth.github.io"
+  }
+}