[dns-operations] A interesting result to a AAAA query

Paul Vixie vixie at isc.org
Tue Nov 17 16:40:53 UTC 2009


> Date: Tue, 17 Nov 2009 08:51:27 -0500
> From: Edward Lewis <Ed.Lewis at neustar.biz>
> 
> >A modern resolver will scrub the spurious A records, as they don't match
> >type, and will subsequently query for:
> 
> Then, oddly, this seems to having the seemingly desired effect. ;)

we're hearing reports that people running non-modern resolvers (BIND9 V9.2)
are seeing failures rather than background scrubbing.  of course, BIND9 V9.2
is well past it's use-by date and should not be used for many other reasons.



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