Differences between root-servers
bmanning at karoshi.com
bmanning at karoshi.com
Wed Sep 10 19:47:15 UTC 2003
>
> (I posted this to comp.protocols.tcp-ip.domains yesterday, but there
> seems to be more activity here. It may not be directly bind-related)
>
> I'm sure this doesn't only apply to the root-servers, but that is where
> I saw it, so I'll ask why.
>
> I'm playing with Net::DNS in perl, and I was querying each of the root
> servers for NS records for "com". In each case they gave me the list
> of gtld-servers, as expected.
>
> My question is: why do some of them return the list in the ANSWER section
> (with AA flag unset) but others return it in the AUTHORITY section (with an
> empty ANSWER section)? Is there a subtle difference in meaning?
>
> Thanks,
> Tony
> --
> Tony Mountifield
> Work: tony at softins.co.uk - http://www.softins.co.uk
> Play: tony at mountifield.org - http://tony.mountifield.org
One might chalk this up to ambiguities in the DNS spec
and the fact that there are at least two independent
sources of code for that server set.
--bill
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