dig +trace to find all the forwarders?

[Mark Andrews]

In message <u2q46e76f621004242101q754df797k1dda9e10389e4d70 at mail.gmail.com>, Jo
sh Kuo writes:
> > You need administrative access to see the overides to the normal resolution
> > process.
> >
> >
> Just so I understand this completely, by administrative access you mean I
> need to be able to log in to each of the resolvers (not administrative
> access on my local workstation to do a 'sudo dig example.net a +trace'),
> correct?
> 
> A follow up question to that... is it even possible to perform such a trace
> (revealing all resolvers) with the DNS protocol? 

It's impossible.

>Or is this purely a designed limitation of dig?
-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org