Reverse DNS problems
ngaccess at hotpop.com
ngaccess at hotpop.com
Sat Mar 20 15:48:42 UTC 2004
On 20 Mar 2004 at 8:02, Mark Andrews wrote:
To: ngaccess at hotpop.com
Copies to: comp-protocols-dns-bind at isc.org
From: Mark Andrews <Mark_Andrews at isc.org>
Subject: Re: Reverse DNS problems
Date sent: Sat, 20 Mar 2004 08:02:10 +1100
>
> > First:
> > Domain servers in listed order:
> > HYDROGEN.SUEMILLS.COM 206.135.171.2
> > HOROGW.SUEMILLS.COM 64.218.226.140
> >
> > Goto networksolutions and login to your dns management and delete the
> > host HOROGW.SUEMILLS.COM (or whatever they require you to do) and you
> > need to add a second server for redundancy. (FWIW, your ISP is correct in
> > saying they can't do it)
> >
> > Next:
> > 2.171.135.206.in-addr.arpa.
> > alias = 2.0-26.171.135.206.in-addr.arpa.
> > 2.0-26.171.135.206.in-addr.arpa.
> > host = hydrogen.suemills.com.
> >
> > This should simply be:
> > 2.171.135.206.in-addr.arpa.
> > host = hydrogen.suemills.com.
>
> You are *wrong*. Go read RFC 2317 to understand what is
> being done here.
Okay, okay ... (duck and cover)
I have been using many small blocks of 8 and 16 ips and never use all
that - just a ptr and the host shows on reverse without any 'alias' ...
I picked up on that as I thought you were never to use cname with mx
records but I concur as I was not even aware of that.
>
> > Then:
> > 3.171.135.206.in-addr.arpa.
> > alias = 3.0-26.171.135.206.in-addr.arpa.
> > 3.0-26.171.135.206.in-addr.arpa.
> > host = radon.suemills.com.
> >
> > This is your mx record which there again should simply be:
> > 3.171.135.206.in-addr.arpa.
> > host = radon.suemills.com.
>
> Again you are wrong.
See above ...
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