[dns-operations] DNS version request

Ray Bellis ray at isc.org
Fri Dec 7 09:29:35 UTC 2018


On 21/11/2018 16:36, Dave Lawrence wrote:

> And in the case of CHAOS class queries like version.bind, they're
> also handled local to the responding server.  While I won't make the
> bold claim that there's no DNS server software out there that might
> forward them to some other server, the ones I know of just handle it
> in a separate path that never sees forwarding or recursing.

There's plenty of ALGs in home CPE pretending to be a DNS server that
blindly forward CH queries to the back-end resolver that they're
configured to talk to.

Ray



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