diff --git a/domains/tatsut.json b/domains/tatsut.json
new file mode 100644
index 0000000..9c37d71
--- /dev/null
+++ b/domains/tatsut.json
@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "tatsut-sub",
+    "email": "contact@tatsut.jp"
+  },
+  "records": {
+    "CNAME": "profile.tatsut.jp"
+  }
+}