Newbie question about registrar DNS servers and NS records

[Barry Margolin]

In article <glkgqt$24cv$1 at sf1.isc.org>,
 RainyCity10 <rainycity10 at gmail.com> wrote:

> I inherited a Bind DNS server set up for a company that runs a number
> of web site. I'm in the process of cleaning up the zone files and
> adding additional slave DNS servers and I haven't got my head around
> NS records yet. When a domain is registered you specify what DNS
> servers will be providing the zone files for the domain. If that is
> the case why are there NS records in my zone files that point to my
> own DNS servers? Is that information ever used?

The NS records in the zone itself are considered "more authoritative" 
than the delegation records in the parent zone.  If your server includes 
the NS records in the Authority Records section of the response, they 
will override the ones cached from the parent server.

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE don't copy me on replies, I'll read them in the group ***