Weird question.

[Kevin Darcy]

Query the TLD servers. You can figure out what the servers are for any given
TLD by querying the root servers. You should implement some sort of caching
logic in your script to avoid querying the root servers for *each* domain, and
you should also split up the queries for any given set of TLD servers so as
not to "spike" any given one of them.


- Kevin

Jobe Bittman wrote:

> I can't query my own server for NS RRset because it believes it has
> authority for domains that customers have moved and never told us they
> moved. I cannot trust my server so I would have to query someone else's
> name server. Also, the NS records could be wrong. For example, you slave a
> bunch of domains before a transfer then change them to masters in
> named.conf afterwards and forget to change the NS records when you update
> the zone. Not that I ever did that before... You are correct there is no
> reason to overload the whois servers. But how do I verify that the NS
> record is correct? Is there a way to query the root servers to validate the
> NS record? How?
>
> >         Why over load the whois servers.
> >
> >         It's easy enough to compute the parent zone the ask its servers
> >         for the NS RRset for the child zone.  It should also be faster.
> >         It also works for ALL zones.
> >
> >         This will supply you with a list of zones that may need further
> >         investigation.
> >
> >         Mark
> >--
> >Mark Andrews, Internet Software Consortium
> >1 Seymour St., Dundas Valley, NSW 2117, Australia
> >PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at isc.org