> From owner-freebsd-questi...@freebsd.org Fri Nov 5 02:26:31 2010
> From: Jonathan McKeown <j.mcke...@ru.ac.za>
> To: freebsd-questions@freebsd.org
> Date: Fri, 5 Nov 2010 10:27:38 +0200
> Subject: Glue records (was Re: ATTN GARY KLINE)
>
> On Friday 05 November 2010 09:28:27 Ian Smith wrote:
> > But you don't always have any control of what parent nameservers do;
> > eg we do DNS for a .com but both NS are in .au so DNS reports always
> > whinge about lack of glue
>
> They should be whingeing about lack of clue (their own) unless I'm horribly
> wrong about how DNS works.
>
> When a nameserver delegates a zone, it's not responsible for any of that
> zone's records any more, with two exceptions. It provides NS records to
> indicate which nameservers /are/ responsible, and it retains responsibility
> for the A records of nameservers inside the zone - and only those
> nameservers. (That's glue.)
>
> There's no way a .com nameserver should be providing A records for hosts in
> the .au zone.
sure there is.
Domain: foo.com (an aussie company)
nameservers ns1.alicesprings.au, ns2.umelbourneatperth.au
They're still wrong to bw whinging about a lack o glue records.
glue is needed _only_ when the nameserver is _in_ the domain it is the
authoritative servr for.
So, in the above frivolous example, foo.com does *NOT* need any glue
records, but if ns1.alicesprings.au is an authoritative server for
alicesprings.au, then *it* needs a glue record for that domain.
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