From Newsgroup: comp.protocols.dns.bind
On 09.07.20 15:49, DeCaro, James John (Jim) CIV DISA FE (USA) via bind-users wrote:
We have an application that queries reverse lookups on clients trying to
access it in order to verify the client and its IP are legit and a part of the correct domain/acl.. So if the pointer record does not match, the
client is rejected. I don't know if that is relevant in this case, but it provides an example.
it's not relevant...
Of course, there must be A or AAAA at the end, since all those NS, MX, CNAME records point to domain names, and chains need to end with A or AAAA, but
the original question was whether the A record is needed at zone apex.
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