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Re: CAA iodef clarification

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  Re: CAA iodef clarification Tony Finch <dot@dotat.at> - 2020-05-14 18:54 +0100

#15752 — Re: CAA iodef clarification

rams <bramesh80@gmail.com> wrote:
>
> On the CAA record iodef filed, do we force this to be unique or can it
> match a CNAME?

The specification says the iodef field contains a URL so normal URL
resolution applies.

https://tools.ietf.org/html/rfc8659#section-4.4

Questions about CNAMEs are at the wrong layer. HTTP URLs can refer to
CNAMEs; email addresses only use CNAMEs if you like tackling
interoperability problems dating from the 1980s.

Tony.
-- 
f.anthony.n.finch  <dot@dotat.at>  http://dotat.at/
South Utsire, Forties, Cromarty: Westerly 4 to 6, increasing 7 at times in
north Forties and South Utsire. Slight or moderate in west Cromarty, otherwise
moderate occasionally rough. Showers. Mainly good.

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