add bind9 backend
diff --git a/designate/server/backend/bind9.yml b/designate/server/backend/bind9.yml
new file mode 100644
index 0000000..fa15ae1
--- /dev/null
+++ b/designate/server/backend/bind9.yml
@@ -0,0 +1,7 @@
+parameters:
+  designate:
+    server:
+      backend:
+        bind9:
+          rndc_key: ${_param:designate_bind9_rndc_key}
+