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Re: [DNSOP] Anycast and DNS questions

Tony Finch <dot@dotat.at> Wed, 06 August 2014 13:09 UTC

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Date: Wed, 06 Aug 2014 14:09:18 +0100
From: Tony Finch <dot@dotat.at>
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To: Toerless Eckert <eckert@cisco.com>
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Subject: Re: [DNSOP] Anycast and DNS questions
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Toerless Eckert <eckert@cisco.com> wrote:
>
> b) How common are deployments in which the information returned by different
>    anycast member DNS servers for the same query would be different,
>    aka: to "localize" lookup results, such as pointing to
>    local CDN caches or the like ? What would be the most well known examples
>    of such deployed instances ?

A good non-commercial example is http://www.pool.ntp.org

> c) Any example in which the DNS servers utilizing a single shared
>    IP address (anycast address) are run by different operators ?

See https://www.as112.net (but unfortunately its X.509 certificate has
expired).

Tony.
-- 
f.anthony.n.finch  <dot@dotat.at>  http://dotat.at/
Trafalgar: Mainly northerly or northwesterly 5 or 6 in southeast, otherwise
variable 3 or 4. Slight or moderate. Fair. Good.

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