diff --git a/domains/tomokat.json b/domains/tomokat.json
new file mode 100644
index 0000000000..3b94da13be
--- /dev/null
+++ b/domains/tomokat.json
@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "tomokat",
+        "email": "wataru2007@gmail.com"
+    },
+    "record": {
+        "CNAME": "tomokat.github.io"
+    }
+}