diff --git a/domains/subdomain.json b/domains/subdomain.json
new file mode 100644
index 0000000000..86f61223d8
--- /dev/null
+++ b/domains/subdomain.json
@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "inthree3",
+        "email": "hwang020612@gmail.com"
+    },
+    "records": {
+        "CNAME": "inthree3.github.io"
+    }
+}