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Re: [lamps] CAA records on CNAMEs

Ilari Liusvaara <ilariliusvaara@welho.com> Sun, 17 March 2019 19:16 UTC

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Date: Sun, 17 Mar 2019 21:16:49 +0200
From: Ilari Liusvaara <ilariliusvaara@welho.com>
To: Tim Wicinski <tjw.ietf@gmail.com>
Cc: SPASM <spasm@ietf.org>
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Subject: Re: [lamps] CAA records on CNAMEs
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On Sun, Mar 17, 2019 at 11:49:28AM -0700, Tim Wicinski wrote:
> We did not like using something like _caa.example.com ?
> 
> I mean we have an RFC and an IANA registry all set up to handle the
> underscore name
> (well almost https://tools.ietf.org/html/draft-ietf-dnsop-attrleaf-16)
> 
> We've been burned on CAA records for specific FQDNs which are CNAMEs.

I think that was essentially one of the proposals.

And IIRC, the real nasty issue was treeclimbing on CNAME target, that
caused a lot of issues.


-Ilari

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