Google Public DNS Problems?

Jared Mauch jared at puck.nether.net
Wed May 1 18:23:46 UTC 2013


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 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


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