[SATLUG] Time Warner Recently Nuke All A Records for Residential IPs?

Samuel Leon satlug at net153.net
Sat Nov 6 18:59:55 CDT 2010


On 11/06/2010 05:43 PM, Thomas Weeks wrote:
> Hey all..
>
> Just this week my mail server started rejecting email relaying coming from my
> home satx.res.rr.com.
>
> I could be on crack here.. but while t-shooting this at the DNS level, I
> noticed that while there are PTR records for RR Residential IPs in my
> neighborhood:
>
> # host 67.11.61.61
> 61.61.11.67.in-addr.arpa domain name pointer cpe-67-11-61-61.satx.res.rr.com.
>
> but there are no A records for the same:
> # host cpe-67-11-61-61.satx.res.rr.com
> Host cpe-67-11-61-61.satx.res.rr.com not found: 3(NXDOMAIN)
>
> Is this new for TX residential.. or has it always been this way?
>
> Thanx..
>
> Tweeks

I think I noticed the same thing when I set up my mail server a couple 
of years ago.

Sam


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