On Thu 11/Feb/2021 10:44:58 +0100 Havard Eidnes wrote:
Still, being able to differentiate a local network congestion from a
remote bad configuration would help.
That's true. There's
https://tools.ietf.org/html/draft-ietf-dnsop-extended-error-16
which look promising, trying to make it possible to distinguish
between the various reasons a recursor might choose to return a
SERVFAIL response. It uses an EDNS option to communicate the
additional information.
Commendable effort!
As for its implementation status in general or in BIND in
particular I'll admit that I don't know off-hand.
Yeah, by the time it lands on Debian's glibc we'll have grown a long long
beard. I'm still missing RES_TRUSTAD...
Best
Ale
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