--- /dev/null
+ddnsupdate=$(nvram get ddns_update)
+[ "$ddnsupdate" = 1 ]&& {
+ service=$(nvram get ddns_service)
+ uname=$(nvram get ddns_user)
+ passwd=$(nvram get ddns_password)
+ host=$(nvram get ddns_host)
+
+ /usr/bin/updatedd -Y $service -- $uname:$passwd $host
+}
+