Comcast, dynamic DNS service

[Jeff Kinz]

On Mon, Apr 03, 2006 at 02:20:28PM -0400, Ben Scott wrote:
> On 4/3/06, Jeff Kinz <jkinz at kinz.org> wrote:
> > Anybody here been getting bugged by comcast to change their DNS
> > settings to accept dynamic DNS server assigmment from Comcast?
> 
>   From what I've been able to gather via Google Groups for "Comcast
> DNS dynamic", this is a notification that Comcast is taking some of
> their older full-service resolvers ("DNS servers") offline.  If you've
> manually configured your client resolver ("network settings") to use
> those servers, you will need to manually update your configuration as
> well.  The typical customer who uses DHCP to configure their resolver
> would never notice.
> 
>   Since you state you're not using Comcast's resolvers at all, you
> shouldn't notice, either.
> 
>   Unless Comcast is planning on blocking UDP port 53.  I've
> encountered ISPs who do that.  Never could figure out why.
> 

Up on dslreports forums some people are claiming that other ISP
complained to Comcast that C. customers where dragging down the other
ISP DNS severs since so many were using them.  They speculated that 
would be a reason to block or redirect some DNS traffic.

> -- Ben
> 
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-- 
Jeff Kinz, Emergent Research, Hudson, MA.
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