Question about the ADDITIONAL SECTION

[Barry Margolin]

In article <f5c1g3$2839$1 at sf1.isc.org>,
 "Clenna Lumina" <savagebeaste at yahoo.com> wrote:

> I have a question. I am using ZoneEdit.com to slave some zones I have, 
> and I noticed their servers never return the ADDITIONAL SECTION which 
> should contain the A records for the NS servers that were returned in 
> the AUTHORITY SECTION.
> 
> Naturally, my local master Bind server return that section, like a good 
> DNS server.
> 
> I'm assuming they are using "minimal-responses: yes" in their 
> named.conf.

Or maybe "fetch-glue no", if the nameservers are in domains that 
ZoneEdit.com doesn't manage.

> So my question is, isn't it going against how DNS is supposed to work, 
> in regards to authoritative lookups, to NOT return A records for the 
> NS's listed in the AUTHORITY section?

If it's the fetch-glue option, this simply shifts the responsibility to 
the client nameserver to look them up.

> To my knowledge, "minimal-responses: yes" should only be used for 
> caching (resolving) servers only, right?
> 
> Thanks for any help clearing this up.

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
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