Connectivity to an IPv6-only site

Mark Andrews marka at
Fri Apr 23 11:45:05 CDT 2010

In message <5598.1272031635 at localhost>, Valdis.Kletnieks at writes:
> On Fri, 23 Apr 2010 06:34:43 PDT, Owen DeLong said:
> > Bottom line, if your ISP's resolvers cannot issue queries over IPv6,
> > that is a problem that is relatively easy for them to solve. It is worth
> > putting pressure on your ISP to solve that problem.
> Ours are currently intentionally configured to not issue queries over IPv6,
> because at one time, there were *so many* sites that listed unreachable quad-
> A
> NS records. Our DNS guy is more than willing to revisit that config switch.
> Anybody have some statistics on what the current situation is?

Given I've been running dual stack nameservers for the last 7 years
and never noticed any real problems I expect his problems are actually
closer to home.

Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at

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