On 7/8/19 10:56 AM, Paul Vixie wrote:
> i've always sent back SERVFAIL when the zone isn't loaded, on either a primary
> or secondary (authoritative, that is) server. and i cache SERVFAIL on the
> recursive/iterative side with a holddown timer equal to the negative TTL
> interval (SOA.MINIMUM).
> 
> but i didn't realize that the standard doesn't say to do this, until i read
> the above.
> 
> --
> Paul
> 
> 

BIND returns REFUSED, so that's what I've always used, for maximum
consistency/compatibility.

What SOA.minimum are you returning? Which SOA? And on what record would
it be returned? The issue is that there is no matching zone.

-- 
Michael Sheldon
Dev-DNS Services
GoDaddy.com
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