On Wed, Oct 04, 2017 at 11:43:18AM +0100, Tony Finch wrote: > rams <brames...@gmail.com> wrote: > > > > When we change any resource record like A or AAAA, then SOA serial number > > gets incremented. But If we update only SOA record ,Is serial number of SOA > > remain same as before or serial number of SOA will increment?. > > It needs to increment, yes, because that's how the secondaries know they > need to update their copies of the zone. > > > Do we have any RFC for this? > > I don't know if this particular case is mentioned explicitly, but you can > look at RFC 1995 (IXFR) and RFC 5936 (AXFR).
Also please read RFC 1982, specifically section 7 (The DNS SOA serial number) on what to keep in mind when updating the serial number. Mukund _______________________________________________ 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