On 15/12/2019 09:44, MEjaz wrote: > Our bind name version is = BIND 9.12.3-P1 <id:cfdd35 > > Is that advisable to upgrade our bind from the above version to the latest > stable one I can't comment on the cause of the failure, but 9.12 isn't supported any more. You should run the latest stable version, which is 9.14.8. Regards, Anand