T_ANY
Hauke Lampe
list+bindusers at hauke-lampe.de
Tue Mar 23 10:43:00 UTC 2010
Kevin Darcy wrote:
> But I believe the QTYPE was
> _originally_ intended to be a robust mechanism for fetching multiple
> RRsets at a time.It just didn't work out that way...
PowerDNS Recursor uses ANY to retrieve both A and AAAA records in one query:
http://lwn.net/Articles/275823/
| * Full IPv6 parity. If configured to use IPv6 for outgoing queries
| (using query-local-address6=::0 for example), IPv6 and IPv4 addresses
| are finally treated 100% identically, instead of 'mostly'. This
| feature is implemented using 'ANY' queries to find A and AAAA
| addresses in one query, which is a new approach. Treat with caution.
I didn't test it enough yet to see any difference in performance or
problems with this approach.
Hauke
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