[194595] in North American Network Operators' Group
Re: Question to Google
daemon@ATHENA.MIT.EDU (Mark Andrews)
Mon May 15 09:00:40 2017
X-Original-To: nanog@nanog.org
To: Stephane Bortzmeyer <bortzmeyer@nic.fr>
From: Mark Andrews <marka@isc.org>
In-reply-to: Your message of "Mon, 15 May 2017 14:43:59 +0200."
<20170515124359.a3o7evaostrvm3tk@nic.fr>
Date: Mon, 15 May 2017 23:00:31 +1000
Cc: nanog@nanog.org
Errors-To: nanog-bounces@nanog.org
In message <20170515124359.a3o7evaostrvm3tk@nic.fr>, Stephane Bortzmeyer writes
:
> > Unfortunately, every time we've looked at the data, the
> > conclusion has been that it would cause unwarranted user
> > impact. IIRC the most recent blocker was a major US ISP whose
> > clients would experience breakage if even just one NS record
> > was dual-stacked.
>
> There are many zones (including your isc.org) that have several name
> servers dual-stacked, and they didn't notice a problem. Furthermore,
> since the DNS is a tree, resolution of google.com requires a proper
> resolution of the root and .com, both having IPv6 name servers.
>
> So, this answer is at least insufficient.
It wouldn't suprise me if the dispute between Google and Cogent was
not part of the issue. Pure speculation on my part. I could be
completely off base.
Mark
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: marka@isc.org
