dig +trace to find all the forwarders?
Barry Margolin
barmar at alum.mit.edu
Tue Apr 27 04:50:08 UTC 2010
In article <mailman.1278.1272292131.21153.bind-users at lists.isc.org>,
Warren Kumari <warren at kumari.net> wrote:
> On Apr 26, 2010, at 3:10 AM, Josh Kuo wrote:
>
> > What is happening is I suspect the DNS resolved IP given by my ISP is
> > actually forwarding recursive queries to yet-another-server(s), and is
> > introducing slow name resolution and timeouts.
>
> Well, if you are just trying to figure out if the nameserver you are
> asking is the one doing the resolution, this *might* help you out:
>
> http://www.damia.com/whatismydns/
>
Another way to do this is to look up the names whoami.ultradns.net or
whoami.akamai.net. The nameservers for these names return the
resolver's IP as the IP of the hostname.
--
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE don't copy me on replies, I'll read them in the group ***
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