IPv6 rDNS

Sat Oct 30 04:57:29 UTC 2010

We developed a web/mysql-based front-end that our noc uses for all DNS 
ops, so the NOC never touches zone files directly. So it was easy to 
just add a feature that provides additional syntax for ipv6 PTRs...

So for example in zone 
0.0.0.0.d.c.b.a.8.B.D.0.1.0.0.2.ip6.arpa

we can enter
0000:0000:0000:0003   PTR  foo.com.

and it will reverse the nibbles/remove the ":"s and put in the "."s
and get generated into a zone file as needed:
3.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.d.c.b.a.8.B.D.0.1.0.0.2.ip6.arpa PTR foo.com.
(of course you can enter x.x.x.x... syntax too)

Having a front-end also lets you do all sorts of other sanity-checking 
with instant feedback to avoid choking up BIND, depending on the skill 
level of your target "DNS admin".

-Will

On Fri, Oct 29, 2010 at 06:06:32PM -0700, Jeroen van Aart wrote:
> Date: Fri, 29 Oct 2010 18:06:32 -0700
> From: Jeroen van Aart <jeroen at mompl.net>
> To: NANOG list <nanog at nanog.org>
> Subject: IPv6 rDNS
> 
> I battled for a few hours getting IPv6 rDNS to work. The following tool 
> proved to be quite helpful:
> http://www.fpsn.net/?pg=tools&tool=ipv6-inaddr
> 
> Just in case anyone else would run into similar problems. It's not as 
> straightforward as IPv4 rDNS.
> 
> Greetings,
> Jeroen
> 
> -- 
> http://goldmark.org/jeff/stupid-disclaimers/
> http://linuxmafia.com/~rick/faq/plural-of-virus.html