[129626] in North American Network Operators' Group

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Re: Reverse DNS for IPv6 client networks

daemon@ATHENA.MIT.EDU (Joel Jaeggli)
Tue Sep 14 09:01:12 2010

Date: Tue, 14 Sep 2010 06:00:52 -0700
From: Joel Jaeggli <joelja@bogus.com>
To: Jeroen Massar <jeroen@unfix.org>
In-Reply-To: <4C8F6CCB.1050109@unfix.org>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

On 9/14/10 5:38 AM, Jeroen Massar wrote:
> Instead of handpicking names or letting people insert data into your DNS
> servers, some people are deploying PowerDNS with custom backends for
> this that either convert the IPv6 address into a 128bit hex number,
> optionally stripping the first 64 bits and replacing that with 'autogen'
> or 'wlan-' or similar. Something else that I have seen is that the
> backend randomly picks a name from a dictionary and then assigns that
> 'statically' to that address.

I wildcarded the subnets that we use for dynamic assignments. statically
assigned hosts get statically assigned reverse entries.
 
> I personally only put hosts in reverse DNS that re-appear more than once.
> 
>  Jeroen
> 



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