second lookup fails

[Barry Margolin]

In article <a4ee0p$ioi at pub3.rc.vix.com>,
Raymond Cummins  <rcummins at netaxs.com> wrote:
>Please humor me; why can I lookup ns.raritanval.edu and
>forecast.raritanval.edu once but it fails for subsequent lookups (until I
>restart named)?  Is it because the first response the name server I'm
>querying against gets is the glue record, at which point my name server
>has learned the authoritative servers for raritanval.edu and starts using
>them, but they don't have any A (or NS apparently) records so I'm sent an
>NXDOMAIN? 

Exactly.  Information from authoritative servers is considered more
credible than information from glue records.  If they disagree (e.g. one
says the name exists, the other doesn't), the more credible server will be
believed.

-- 
Barry Margolin, barmar at genuity.net
Genuity, Woburn, MA
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