[162781] in North American Network Operators' Group
Re: Google Public DNS Problems?
daemon@ATHENA.MIT.EDU (Blair Trosper)
Wed May 1 14:27:17 2013
In-Reply-To: <35EE6F61-6847-4CEF-B996-4BF5574C7BEF@puck.nether.net>
Date: Wed, 1 May 2013 11:25:02 -0700
From: Blair Trosper <blair.trosper@gmail.com>
To: Jared Mauch <jared@puck.nether.net>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Traceroute is getting the right place and 8.8.8.8 is working, though :)
On Wed, May 1, 2013 at 11:23 AM, Jared Mauch <jared@puck.nether.net> wrote:
>
> On May 1, 2013, at 1:39 PM, Tony Finch <dot@dotat.at> wrote:
>
> > Blair Trosper <blair.trosper@gmail.com> wrote:
> >
> >> Goes all the way up to the A root server before failing spectacularly.
> >
> > That is an extremely weird response. Are you sure your queries are not
> > being intercepted by a middlebox? What happens if you use dig +vc ?
> > Do you get a similar round-trip time when pinging 8.8.8.8 to the one
> > reported by dig?
>
> Some places like Wayport/attwifi intercept all udp/53 traffic and direct
> it to their local server. You won't notice this with a ping, but you will
> see it in the 0 or 1ms reply :)
>
> - Jared
