Dual-stack BIND resolver behaviour
list at sheringeorge.co.cc
Thu May 19 05:55:32 UTC 2011
I found the answer myself.
If anyone interested, please see following PDF.
On Thu, May 19, 2011 at 11:09 AM, Sherin George <list at sheringeorge.co.cc> wrote:
> Hi guys,
> i am not sure whether this is the right place to ask this question,
> but I sincerely feel that my question matches with ongoing discussion
> in this thread. If you think that I have hijacked thread, I am
> extremely sorry.
> Well, my questions are,
> 1. Can a domain(eg: example.com) have both A reocrd & AAAA record
> 2. If so, which website will be displayed when accessed from a client
> which got both IPv4 & IPV6 connectivity
> On Mon, May 16, 2011 at 6:28 PM, <lst_hoe02 at kwsoft.de> wrote:
>> Zitat von Anand Buddhdev <anandb at ripe.net>:
>>> On 16/05/2011 14:11, Dennis Perisa wrote:
>>>> Hi folks,
>>>> We are looking to dual-stack our 9.7.3 DNS resolvers and I had a
>>>> question about BIND's behaviour in a dual-stack configuration.
>>>> Assuming the resolver's cache is empty, will a query that arrives on
>>>> an IPv6 socket always result in an outgoing query to a root server's
>>>> IPv6 address? I have the same question for IPv4 queries.
>>> Hi Dennis,
>>> There's no relation between incoming recursive queries, and the outgoing
>>> queries BIND makes to look for answers.
>>> Whether BIND contacts the IPv4 or IPv6 address of a server (including
>>> the root servers) depends on the latency to that server.
>> Does the latency apply per IP or per Hostname? If per Hostname the IPv6
>> address will be prefered in case the root servers are reachable by both IPv4
>> and IPv6, no? Also first connection will be tried with IPv6 on most OS, no?
>> bind-users mailing list
>> bind-users at lists.isc.org
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