Hi, >> I was able to reproduce the problem locally and have full log of it, >> I'll investigate more tomorrow. While there is a misconfiguration on >> the authoritative side (the TTL of the name servers at the delegation >> should be the same as in the child zone), this sounds like something's >> wrong in the resolver anyway. > > Did you have any time to investigate it further?
Yes, there is an opened issue and a possible fix for the problem, see https://gitlab.isc.org/isc-projects/bind9/-/issues/5588 and https://gitlab.isc.org/isc-projects/bind9/-/merge_requests/11535 -- Colin Vidal -- [email protected] Internet Systems Consortium -- Visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list.

