[162780] in North American Network Operators' Group
Re: Google Public DNS Problems?
daemon@ATHENA.MIT.EDU (Jared Mauch)
Wed May 1 14:24:44 2013
From: Jared Mauch <jared@puck.nether.net>
In-Reply-To: <alpine.LSU.2.00.1305011835480.19357@hermes-2.csi.cam.ac.uk>
Date: Wed, 1 May 2013 14:23:46 -0400
To: Tony Finch <dot@dotat.at>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On May 1, 2013, at 1:39 PM, Tony Finch <dot@dotat.at> wrote:
> Blair Trosper <blair.trosper@gmail.com> wrote:
>=20
>> Goes all the way up to the A root server before failing =
spectacularly.
>=20
> 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=
