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Hi Ondřej,
On 27 Nov 2025, at 12:34, Ondřej Surý <[email protected]> wrote:
> CNAME not returned for NODATA answer:
>
> [...]
>
> I believe the CNAME has to be returned regardless of the target existence.
Thanks, I'll mention it to the team.
If anybody else finds CNAME weirdness feel free to send it to me directly (or
to the list, as you wish).
Like many other DNS providers of a certain shape, Cloudflare provides various
non-standard DNS features that are generally intended to be invisible to the
Internet at large, but which achieve certain things that our customers want to
do. Sometimes they are not invisible, which means they are protocol violations.
Sometimes we find we have particular custonmers who come to rely on the strange
behaviour, which makes it more of a challenge to change. But we are working on
it; our goal is certainly not to cause unpleasant surprises for others, quite
the opposite.
Joe
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