Trying again on SERVFAIL

Alessandro Vesely vesely at
Thu Feb 11 11:48:44 UTC 2021

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
> 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...


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