how to reduce unnecessary lots of AAAA queries?

Ian Pilcher arequipeno at
Mon Mar 5 15:49:12 UTC 2012

On 03/04/2012 01:20 PM, Chuck Anderson wrote:
> You can't, clients can decide to query whatever they want, and they
> may have other IPv6 connectivity to use AAAA responses with.  AAAA can
> be queried over IPv4 just fine, just as A can be queried over IPv6.

Most clients, however, are smart enough not to do AAAA queries if they
don't have an IPv6 address.  Firefox on Linux is a glaring exception to
this; you need to set network.dns.disableIPv6 in about:config to stop it
from doing pointless AAAA queries.

Ian Pilcher                                         arequipeno at
"If you're going to shift my paradigm ... at least buy me dinner first."

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