diff --git a/domains/_github-pages-challenge-duc-ios.duc.json b/domains/_github-pages-challenge-duc-ios.duc.json
new file mode 100644
index 000000000..4a017f679
--- /dev/null
+++ b/domains/_github-pages-challenge-duc-ios.duc.json
@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "duc-ios",
+    "email": "hi@duk.one"
+  },
+  "record": {
+    "TXT": "91c9fd955fd906fab980881cb5f477"
+  }
+}