Re: [v6ops] NAT64/DNS64 and DNSSEC

Erik Kline <ek@google.com> Fri, 24 July 2015 10:37 UTC

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From: Erik Kline <ek@google.com>
Date: Fri, 24 Jul 2015 12:37:05 +0200
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To: Philip Homburg <pch-v6ops-3@u-1.phicoh.com>
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Subject: Re: [v6ops] NAT64/DNS64 and DNSSEC
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> I guess this is easy enough to add to for example getdns
> (https://getdnsapi.net/). One question is how an application would find out
> that it is running in a DNS64 environment. Another option is for getdns to
> do the probing and enable this option automatically.

One approach comes to ming: when a client resolver starts up, it
checks ipv4only.arpa
(https://tools.ietf.org/html/rfc7050#section-8.2), and after that can
synthesize AAAAs as needed (DNS64 in done in the client) while getting
validated answers for other things as desired.