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Re: [DNSOP] New draft for ALIAS/ANAME type

Tony Finch <dot@dotat.at> Wed, 29 March 2017 16:55 UTC

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Date: Wed, 29 Mar 2017 17:54:59 +0100
From: Tony Finch <dot@dotat.at>
To: Pieter Lexis <pieter.lexis@powerdns.com>
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Subject: Re: [DNSOP] New draft for ALIAS/ANAME type
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Pieter Lexis <pieter.lexis@powerdns.com> wrote:
>
> There is no mention of the fact that ALIAS is mostly meant for zone
> apexes where other records MUST be present and a CNAME cannot exist.
> CNAMEs would cover non-apex usecases for ALIAS.

There are lots of non-apex situations where you can't use a CNAME, e.g.
where mail domains and hostnames coincide. (lists.cam.ac.uk,
trin.cam.ac.uk, etc.)

Tony.
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