diff --git a/defaults/main.yml b/defaults/main.yml
new file mode 100644
index 0000000..8a813bd
--- /dev/null
+++ b/defaults/main.yml
@@ -0,0 +1,13 @@
+---
+# nsd defaults/main.yml
+#
+# SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+# SPDX-License-Identifier: Apache-2.0
+
+nsd_ip4: "127.0.0.1"
+
+nsd_port: 53
+
+nsd_default_ttl: 3600
+
+dns_zones: {}