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Re: [cobalt-users] RaQ4 nslookup doesn't work
- Subject: Re: [cobalt-users] RaQ4 nslookup doesn't work
- From: Ilya Anfimov <ilan@xxxxxx>
- Date: Thu Nov 22 07:19:40 2001
- List-id: Mailing list for users to share thoughts on Cobalt products. <cobalt-users.list.cobalt.com>
On Thu, Nov 22, 2001 at 01:48:26PM -0000, Ben Liddicott wrote:
> ----- Original Message -----
> From: "Gerald Waugh" <gerald@xxxxxxxxx>
>
>
> > If you do not have a full /24 network, you may need to
> > contact your ISP and tell them you want PTR records in
> > accordance with RFC-2317.
>
> Call me ignorant, but there's not much call in my experience for PTR records. If I was you I would configure my NS to be primary for
> the whole class C, simply because there are so many hoops otherwise, and the downside is so small.
>
> What is the downside, anyway?? (Apart from NSLookup not working if the default host doesn't have a PTR of course, which the above
> solves if you control the NS.)
Many SMTP and NNTP servers allow transfer mail and news only
from hosts that have a correct reverse DNS.