Add leenus.json with domain owner and records

domains/leenus.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "linuskang",
+        "email": "mail@linus.id.au"
+    },
+    "records": {
+        "A": ["216.198.79.1"]
+    }
+}