SERVFAIL and resolver

[ericc122 at my-deja.com]

Say I have a domain with two name servers authoritative for it. One
name server is working ok, the other has a problem and returns SERVFAIL
for any request.

- It it correct that when a client tries to resolve a name in that
domain, the root servers will hand it a NS record for either name
server, round robin, so that there's about a 50% chance the resolver
will query either of my name servers?

- If the query goes to the broken name server, is that considered a
final response by the querying resolver, or does it try to query the
other name server?

TIA,
--
Eric


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