Delegated Servers vs NS records used in queries?

[sanjay]

I don't think that ns3 will be queried by any chance.

sanjay

----- Original Message -----
From: "David Connors" <davidc at codify.com>
Newsgroups: comp.protocols.dns.bind
To: <comp-protocols-dns-bind at moderators.isc.org>
Sent: Thursday, September 06, 2001 7:37 PM
Subject: Q: Delegated Servers vs NS records used in queries?


> Hi,
>
> I have a question.
>
> Consider the following:
> 1. Suppose you have a domain xyz.com.
> 2. xyz.com is delegated to ns1.xyz.com and ns2.xyz.com.
> 3. the xyz.com zone file contains THREE NS records for ns1.xyz.com,
> ns2.xyz.com, and an additional server, ns3.xyz.com.
>
> When a client on the other side of the world attempts to query xyz.com,
will
> there ever be a scenario where ns3.xyz.com will be queried?  In
otherwords,
> is it part of the DNS standard that ONLY the delegated servers are
queried?
> Or is it that after the NS records are retrieved, a client DNS server
might
> consider any NS record as fair game for a subsequent query?
>
> Thanks in advance for any advice.
>
> Dave.
>
>
>
>


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