root servers list changing?

[phn at icke-reklam.ipsec.nu]

Matthew Hannigan <mlh at zip.com.au> wrote:



> Hi,
> I manage some machines behind a whole string
> of (someone elses) firewalls, through which our
> queries are forwarded.

> The problem I am seeing is that my apparent
> list of root servers is changing -- and I haven't
> done anything on our local dns.

> WHen I did "nslookup -type=any c.root-servers.net",
> as part of the reply I get a list of the authoritative
> root servers.  The other day, I got four from the 
> root-servers.net range.

> Today, I get A through to M of gtld-servers.net.

> WHat's going on?  Can I blame my upstream provider,
> or is this some transition going on on the wider net.

nslookup is a notorious bad tool. It does not say what servers
that supplied the answer.

One guess is that the answer comed from your ms-nameservers, which
replaces their root-server list whenever they are exposed.

If that guess is wrong, please supply the output from :

dig . ns 





-- 
Peter Håkanson         
        IPSec  Sverige      ( At Gothenburg Riverside )
           Sorry about my e-mail address, but i'm trying to keep spam out,
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