On 5/1/13 2:23 PM, "Jared Mauch" <[email protected]> wrote:

>On May 1, 2013, at 1:39 PM, Tony Finch <[email protected]> wrote:
>>Blair Trosper <[email protected]> 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 :)

FWIW, no DNS intercepts happen on the Comcast networkĊ 

Jason (Comcast)


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