IPv6 and DNS for the residential service provider

[Ron Vachiyer]

Hello, (hopefully on-topic for this list!)

I am looking for some tips as to how to deal with DNS and rDNS in a residential service provider scenario.  This document, http://tools.ietf.org/html/draft-howard-isp-ip6rdns-02, doesn't seem to have been updated in ages and I haven't found any more recent pertinent information.

Basically, this doc offers the following options to provide forward and reverse DNS; our customers are residential and will not be asking for, or in a position to, operate reverse delegations themselves.

1) not answer at all (NXDOMAIN).  This breaks applications that check forward>reverse 

2) wildcard reverse DNS.  This also breaks forward>reverse since as far as I know you can't have a wildcard forward lookup?

3) Dynamic DNS updates.  At first this sounds interesting, except that from what I can tell most current OSs don't by default register in DNS, and if they do, don't use the domain obtained by DHCP unless that is enabled as well.  And, IP-based DNS updates are inherently insecure.

4) delegate DNS to the customer gateway (never heard of a platform that actually supports this??)

5) "on the fly" record creation.  I find no doc for this other than a vague PowerDNS reference, does BIND support something like this?

Any tips appreciated, RTFM links, whever.

Thanks,

Ron
 		 	   		  
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