--- On Fri, 15/10/10, Mark Andrews <ma...@isc.org> wrote:
> From: Mark Andrews <ma...@isc.org>
> Subject: Re: No cache for NS RR in public DNS
> To: "Tech W." <tech...@yahoo.com.cn>
> Cc: bind-us...@isc.org
> Received: Friday, 15 October, 2010, 9:21 PM
>
> In message <811222.51900...@web15706.mail.cnb.yahoo.com>,
> "Tech W." writes:
> > Hello,
> >
> > like this domain:
> >
> > blogchina.org
> >
> > I can't get its NS RR in public DNS:
> >
> > dig blogchina.org ns @8.8.8.8
> >
> > get nothing.
> >
> > But it does work correctly.
> > for example, query the record:
> >
> > dig udb.yy.blogchina.org
> >
> > works!
>
> No. It's just that the lookup of udb.yy.blogchina.org does
> not
> depend apon the presence of the blogchina.org ns records in
> the
> zone. The resolver uses the records from the org
> zone. Only when
> you explictly query for them do you notice their absence.
>
So, is that a bad setup for the zone without a NS record?
Thanks.
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