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From: Mark Andrews
Sent: Friday, January 6, 2023 2:57 PM
To: Justin Krejci
Cc: bind-users@lists.isc.org
Subject: Re: DNS Cookies Causing FORMERR
Really there are very few servers that are broken and the numbers are
decreasing. They are well under 1%. Just contact the
Really there are very few servers that are broken and the numbers are
decreasing. They are well under 1%. Just contact the few remaining server
operators and inform them that they are broken. It should just be an upgrade
to the current version to fix.
The behavior for unknown EDNS options wa
DNS Servers that do not properly support or properly ignore DNS cookies and
instead return FORMERR is annoying. This is not new. However I have been seeing
more or perhaps just have more users that are finding more domains that are
hosted on authoritative servers with this unfortunate behavior.
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