[dns-operations] Cloudflare CNAME ordering issue?

Joe Abley jabley at strandkip.nl
Mon Jan 12 17:20:07 UTC 2026


Hey,

On 12 Jan 2026, at 17:00, Dave Lawrence via dns-operations <dns-operations at dns-oarc.net> wrote:

> Anyone have some examples of what the answers looked like during the
> incident?  I'm curious about how "the expectations of certain DNS
> client implementations" were improper.  
> 
> From another article I understood that that the Cisco problem was
> they bombed out when they got the answer, but I'd not be inclined to
> describe that quite as an issue of their expectations.

There will be a Cloudflare bog about this that describes things in some detail, some time this week I think.


Joe


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