Re: [DNSOP] AD sponsoring draft-cheshire-sudn-ipv4only-dot-arpa

Mark Andrews <marka@isc.org> Fri, 06 July 2018 08:50 UTC

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From: Mark Andrews <marka@isc.org>
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Date: Fri, 6 Jul 2018 18:50:44 +1000
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To: Philip Homburg <pch-dnsop-3@u-1.phicoh.com>
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Subject: Re: [DNSOP] AD sponsoring draft-cheshire-sudn-ipv4only-dot-arpa
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All it does is ensure that the DNS queries get to the DNS64 server. 

-- 
Mark Andrews

On 6 Jul 2018, at 18:33, Philip Homburg <pch-dnsop-3@u-1.phicoh.com> wrote:

>> Most of the special
>> handling could be avoided if IANA was instructed to run the servers
>> for ipv4only.arpa on dedicated addresses. Hosts routes could then
>> be installed for those address that redirect traffic for ipv4only.arpa
>> to the ISPs DNS64/ipv4only.arpa server.
>> 
>> Perhaps 2 address blocks could be allocated for this purpose. One
>> for ipv4 and one for ipv6.
> 
> If I understand the implications correctly, that would introduce a
> completely new way of discovering the NAT64 prefix. We allready have 3,
> do we need a 4th one?
> 
>