Search Again: Re: Setting Up Reverse DNS Query From: Stuart Douglas Date: Wednesday, January 19, 2005 Time: 3:42:42 am Hi I changed the name of the primary domain 0.233.20.212.in-addr.arpa to 233.20.212.in-addr.arpa.groovychocolate.com as suggested but that meant that the phrase '233.20.212.in-addr.arpa.groovychocolate.com ' was added to every Parameter, both in the Domain information and Domain Window. forinstance, in the Domain Informaiton window, the 'Primary' box was changed from ns.groovychocolate.com to ns.groovychocolate.com.233.20.212.in-addr.arpa.groovychocolate.com and 'Hostmaster' was changed from hostmaster.groovychocolate.com to hostmaster.groovychocolate.com.233.20.212.in-addr.arpa.groovychocolate.com. In the main Domain window, that made the PTR entry for our mailserver 82.233.20.212.in-addr.arpa.groovychocolate PTR mail.groovychocolate.com.233.20.212.in-addr.arpa.groovychocolate.com. which presumably isn't right. When I click on the Parameter 1 part of each record to delete the 233.20.212.in-addr.arpa.groovychocolate.com. bit I can't - all it let's me highlight and edit is the first mail.groovychocolate.com part. Sorry if I'm being dense, but this side of things is all new to me... Also, we have QuickDNS Pro 2.2.1 - is there an upgrade? Stuart ---------------------------------------------------------------------- Subject: Re: Setting Up Reverse DNS Query From: "Stuart Douglas" <stuart@groovychocolate.com> Date: Mon, 17 Jan 2005 16:00:07 -0000 At 3:28 PM +0000 11/9/04, Stuart Douglas wrote: >From: "Men & Mice Support" <cbuxton@menandmice.com> >Date: Mon, 8 Nov 2004 09:46:00 -0800 > >>Setting up reverse DNS records isn't as straightforward as it sounds. >>First, you must figure out if the reverse zone belongs to your server. > >>With a regular domain name, when you register the domain, it's >>delegated to your server. A reverse zone must be similarly delegated, >>but "registration" is typically handled with your ISP rather than >>with a central registrar. > >>I looked up the PTR record delegation for ns.groovychocolate.com. The >>ednet.co.uk servers do in fact delegate your reverse records to your >>server. The zone name (called "domain name" in QuickDNS Pro 2.x) is: > >>233.20.212.in-addr.groovychocolate.com. > >>Creative, and perfectly legal. You don't even need to separate these >>into a reverse zone if you don't want to - just create records like >>this for each of your IP addresses: > >>82.233.20.212.in-addr.groovychocolate.com. PTR mail.groovychocolate.com. > >Ah, I was doing fine until this point Chris - our mail server and >Quick DNS are both on the 82 box, so I've already got a record : > >82.233.20.212.in-addr.groovychocolate.com. PTR ns.groovychocolate.com > >Is it allowable to have both records, ie: > >82.233.20.212.in-addr.groovychocolate.com. PTR mail.groovychocolate.com >82.233.20.212.in-addr.groovychocolate.com. PTR ns.groovychocolate.com It's not against the rules, but it's a bad idea in this case. You should have just the one pointing to mail.groovychocolate.com. I thought I;d done this right after your help, but today when one of our users tried to mail someone at easy.com they got a bounce back from the email admin there saying that we did not in fact have Reverse DNS setup for our mail server. The situation with our DNS server (which I took over responsibility for when our CTO left) is as follows: We have two Primary Domains set up, groovychocolate.com 0.233.20.212.in-addr.arpa Our mail server and DNS server both reside on a mac cube with IP 212.20.233.82. In the Primary Domain groovychocolate.com, we have (amongst others) these records groovychocolate.com NS ns.groovychocolate.com groovychocolate.com MX 10 mail.groovychocolate.com mail.groovychocolate.com A 212.20.233.82 ns.groovychocolate.com A 212.20.233.82 web.groovychocolate.com CNAME ns.groovychocolate.com and in the Primary Domain 0.233.20.212.in-addr.arpa we have the following entries: 82.0.233.20.212.in-addr.arpa PTR mail.groovychocolate.com I'm not entirely sure why there is a zero in the 0.233.20.212.in-addr.arpa domain, but presumably that's required since it's always been there? Could someone suggest what we need to add (a CNAME to groovychocolate.com perhaps?) Regards Stuart D

Messages In This Thread: Setting Up Reverse DNS Query by Stuart Douglas on Nov 8, 2004 at 7:06:06 am Re: Setting Up Reverse DNS Query by Men & Mice Support on Nov 8, 2004 at 9:48:05 am Re: Setting Up Reverse DNS Query by Stuart Douglas on Nov 9, 2004 at 7:28:43 am Re: Setting Up Reverse DNS Query by Men & Mice Support on Nov 9, 2004 at 1:58:12 pm Re: Setting Up Reverse DNS Query by Stuart Douglas on Nov 11, 2004 at 9:13:07 am Re: Setting Up Reverse DNS Query by Men & Mice Support on Nov 11, 2004 at 9:37:42 am Re: Setting Up Reverse DNS Query by Stuart Douglas on Jan 17, 2005 at 8:01:02 am Re: Setting Up Reverse DNS Query by Men & Mice Support on Jan 17, 2005 at 11:48:15 am Re: Setting Up Reverse DNS Query by Stuart Douglas on Jan 19, 2005 at 3:42:42 am Re: Setting Up Reverse DNS Query by Men & Mice Support on Jan 19, 2005 at 11:25:53 am Re: Setting Up Reverse DNS Query by Stuart Douglas on Jan 21, 2005 at 8:51:36 am Re: Setting Up Reverse DNS Query by Men & Mice Support on Jan 21, 2005 at 10:15:33 am