Subject: Re: [PATCH] Ignore non-functional IPv6 DNS servers reported by Windows

Re: [PATCH] Ignore non-functional IPv6 DNS servers reported by Windows

From: Dima Tisnek <dimaqq_at_gmail.com>
Date: Fri, 10 Aug 2012 10:24:27 +0300

http://tools.ietf.org/id/draft-ietf-ipngwg-dns-discovery-03.txt

section 2 tells what those are. not sure what c-ares whould do with
these though.

On 10 August 2012 00:51, Bert Belder <bertbelder_at_gmail.com> wrote:
> Hi all,
>
>
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> Windows tends to report a couple of IPv6 DNS servers that don’t actually
> exist; they all start with `fec0:0:0:ffff`. It takes a while for c-ares to
> figure out that these DNS servers are not responding, so IPv6 lookups end up
> taking a long time.
>
>
>
> This patch fixes that. We’ve been using it for a couple of months within
> Node.js and it seems to fix the problem without causing any new issues.
>
>
>
> - Bert
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Received on 2012-08-10