DNS question from a network guy
Mark_Andrews at isc.org
Mark_Andrews at isc.org
Tue Jan 21 20:48:21 UTC 2003
> I am not a DNS guru. I did search the archives first...
>
> If you have two or more records for a host, DNS will use round robin in its
> replies... What is the behavior if you delegate a domain, for instance
> www.mydomain.com to two name servers?
>
> in the mydomain.com name server...
>
>
> www in ns ns3.mydomain.com
> in ns ns4.mydomain.com
>
> ns3 in a 192.168.1.10
> ns4 in a 192.168.2.10
>
>
> Thanks in advance for any help.
>
> David
Well they will be handed out in the order specified in named.conf.
The caching servers will use which ever nameserver that responds
fastest. The rtt estimates will be computed as a side effect of
normal query traffic.
Mark
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: Mark.Andrews at isc.org
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