Google Public DNS Problems?
Jason_Livingood at cable.comcast.com
Wed May 1 19:13:22 UTC 2013
On 5/1/13 2:23 PM, "Jared Mauch" <jared at puck.nether.net> wrote:
>On May 1, 2013, at 1:39 PM, Tony Finch <dot at dotat.at> wrote:
>>Blair Trosper <blair.trosper at 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 188.8.131.52 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 :)
FWIW, no DNS intercepts happen on the Comcast networkŠ
More information about the NANOG