In article <gkb7mt$lt...@sf1.isc.org>, blrmaani <blrma...@gmail.com> 
wrote:

> Thanks.. so if I dig further deeper on this it appears that the the
> query being sent to the subdomain's
> nameserver is NON-RECURSIVE. So, if the resource-records are already
> cached on the subdomain's nameserver (assuming non-authoritative
> nameserver here), then the queries are responded else the queries
> FAIL (SERVFAIL?).
> 
> Is this assumption correct..

Correct.

> 
> One way to fix this would be to add a forwarder for the subdomain on
> my nameserver to prevent any changes
> on partner company's nameserver. Any other approaches?

A forwarder won't help.  The queries sent from other nameservers to your 
nameserver are non-recursive as well.  Forwarders are only followed when 
recursing.

A forwarder entry will only help with recursive queries coming from your 
own users.

> 
> cheers
> Maani.
> 
> 
> On Jan 10, 5:19 pm, Matus UHLAR - fantomas <uh...@fantomas.sk> wrote:
> > On 10.01.09 14:04, blrmaani wrote:
> >
> > > When we delegate a subdomain, should the nameserver to which we delegate
> > > be AUTHORITATIVE?
> >
> > yes
> >
> > > What happens if the nameserver to which we delegate the subdomain is a
> > > NON-AUTHORITATIVE nameserver (eg., cache-only name server ). ? Could this
> > > be the reason for failure?
> >
> > yes
> >
> > --
> > Matus UHLAR - fantomas, uh...@fantomas.sk ;http://www.fantomas.sk/
> > Warning: I wish NOT to receive e-mail advertising to this address.
> > Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
> > I just got lost in thought. It was unfamiliar territory.
> > _______________________________________________
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> > bind-us...@lists.isc.orghttps://lists.isc.org/mailman/listinfo/bind-users
> 
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-- 
Barry Margolin, bar...@alum.mit.edu
Arlington, MA
*** PLEASE don't copy me on replies, I'll read them in the group ***
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