diff --git a/domains/toolxin.is-a.dev.json b/domains/toolxin.is-a.dev.json
new file mode 100644
index 0000000000..e9ce65b1aa
--- /dev/null
+++ b/domains/toolxin.is-a.dev.json
@@ -0,0 +1,10 @@
+{
+  "owner": {
+    "username": "khanhgaming1",
+    "email": "nguyenquochuy3600@gmail.com"
+  },
+  "record": {
+    "CNAME": "khanhgaming1.github.io"
+  },
+  "proxied": false
+}