On 04/05/2018 10:02, Blason R wrote: > Ok -My question was about port number if not explicitly defined then it > sends update on port TCP/53
No. BIND sends NOTIFY messages over UDP to port 53 by default. You can change the port, but not the transport. Regards, Anand _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
