Why must Comcast's DNS suck?

Ben Scott dragonhawk at gmail.com
Tue Nov 14 12:22:05 EST 2006


On 11/14/06, Thomas Charron <twaffle at gmail.com> wrote:
>   Brace yourself.  I don't know the current status, but in the past, I know
> Comcast has intercepted all DNS queries, regardless or destination, and
> redirected them to their own.

  FWIW, in my service area (Dover, NH), they do not appear to be doing
this.  Or, if they are, they are adjusting the response time for
queries based on distance to the real nameserver.  ;-)

  One problem I did encounter in the past was that Adelphia was
dropping UDP packets with a *source* port of 53.  Any other source
port was fine.  Today's Internet is a weird place.  :)

-- Ben


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