[Dnsmasq-discuss] IPV6 preference

Ray Klassen rayklassen at gmail.com
Wed May 8 21:58:42 BST 2013


Huh. I would have thought the request by the application would be
similar to  running host.

as in

#host google.com

that returns a list of both ipv4 and ipv6 entries...

On Wed, May 8, 2013 at 10:25 AM, /dev/rob0 <rob0 at gmx.co.uk> wrote:
> On Wed, May 08, 2013 at 05:43:01AM -0700, Ray Klassen wrote:
>> Is there a way of configuring dnsmasq to always return an ipv6
>> address on a DNS request if there are both ipv4 and ipv6 available?
>
> I wouldn't think so. A client either asks for an A record (ipv4) or
> AAAA (ipv6), it does not ask for "an address".
>
>> I've got an an ipv6 tunnel that, for certain sites, I'd like all
>> traffic to be directed to. Problem is (i think) that DNS is round
>> robining addresses and sometimes returns an ipv4 address which
>
> No, as above, the client only gets A if it asks for A. That said,
> resolver clients most likely can be configured to prefer ipv6 over
> ipv4. See the documentation for your resolver(s).
>
>> routes traffic away from the tunnel. I suppose I could force this
>> using a hosts file, but the addresses for that site are pretty
>> dynamic or so I'm given to understand.
>
> Maybe you want to point to a remote server for those names:
>
> server=/certain.sites.example/2001:db8::1ce:c01d
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