Re: [DNSOP] new ANAME draft: draft-hunt-dnsop-aname-00.txt

Tony Finch <dot@dotat.at> Tue, 11 April 2017 15:45 UTC

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Date: Tue, 11 Apr 2017 16:45:17 +0100
From: Tony Finch <dot@dotat.at>
To: Florian Weimer <fweimer@redhat.com>
cc: Evan Hunt <each@isc.org>, dnsop@ietf.org
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Subject: Re: [DNSOP] new ANAME draft: draft-hunt-dnsop-aname-00.txt
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Florian Weimer <fweimer@redhat.com> wrote:
>
> I think the introduction should discuss why it is not possible to push the
> CNAME to the parent zone, replacing the entire zone with an alias.

You can't replace an entire zone with a CNAME if it has subdomains. ANAME
records are not just for zone apexes. There are lots of other cases where
address records need a different alias target from MX records, or NAPTR
records, etc.

Tony.
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