DNS wierdness and cox communications

[Craig White]

On Sat, 2008-08-09 at 23:39 -0700, Technomage Hawke wrote:
> Over the last few weeks, I have noticed an increasing number of
> customer calls about network outages. Now on the surface, this might
> not seem all that relevant, However, these issues are not just windows
> centric.
> 
> I have discovered a pattern to the outage problems I have been
> troubleshooting. it seems that cox is filtering dns traffic to anyone
> outside their own ip space. any attempt to use a DNS root server or
> even the ASUdns servers results in many pages not being resolved. as
> soon as I set for the cox dns servers, all seems to work again.
> 
> anyone else noticing this "filtering" on cox's part?
----
no - it makes no sense, you can always test your theory out at any time
you want by running commands such as dig and host and if you really
care, you could run your own caching dns server which would obviously
need to access other dns servers to be worthwhile.

Craig