North American Network Operators Group
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Re: ATTBI refuses to do reverse DNS?
- From: Robert A. Hayden
- Date: Tue Jun 18 17:12:45 2002
Most providers provide some kind for forward/reverse mapping, including
ATTBI. Often, however, they do provide customized reverse mapping (ie,
myhost.mydomain.com). That may be where the disconnect.
I believe that ATTBI has a script that auto-generates forward/reverse
mappings on a regular basis. You client may be just in a waiting period
before the problem corrects itselft.
On Tue, 18 Jun 2002, Lou Katz wrote:
>
> A client of mine just discovered that he could no longer do ftp
> transfers to my machine. His IP address had changed to one in
> 12.240.20 and there is no reverse DNS for that block. His
> previous assignment was in a totally different block which did
> have reverse DNS. Calls to ATTBI got the answer that they
> are not obligated to provide reverse DNS and have no plans to
> do so. My servers refuse connections when there is no reverse
> lookup.
>
> Is this common?
>
>
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