Hi Blason, Your configuration looks correct, though BIND will try to resolve the "wg.custom.block" through your forwarders. What reply do you get from:
dig @172.1.254.243 custom.block soa /Peter -- Visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list ISC funds the development of this software with paid support subscriptions. Contact us at https://www.isc.org/contact/ for more information. bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users