On Wed, 20 Feb 2019 at 11:27, Petr Špaček <petr.spa...@nic.cz> wrote:
8<

> Yet another code propodsl:
> * answer with stale data
>
>    The resolver was unable to resolve answer within its time limits and
>    decided to answer with stale data instead of answering with an error.
>    This is typically caused by problems on authoritative side, possibly
>    as result of an DoS attack. Retrying is likely to cause load and not
>    yield a fresh answer, RETRY=0.
>
> Here is a problem that this code point is applicable to NOERROR as well
> as NXDOMAIN answers so I'm not sure how to categorize it. This
> reinforces my unanswered question why the draft proposes to copy RCODE
> into EDE.
>

This seems to be a good argument in favour of a one-dimensional error table..

--Dick
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