DNS anycasting - multiple DNS servers on same subnet Vs registrar/registry policies

[dot at dotat.at (Tony Finch)]

Anurag Bhatia <me at anuragbhatia.com> wrote:
>
> One small concern I wanted to discuss here. I know few
> registry/registrars which do not accept both (or all) name servers of
> domain name on same subnet. They demand at least 1 DNS server should be
> on different subnet for failover reasons (old thoughts).
>
> How one can deal with such case in case of anycasting setup which using
> one single subnet everywhere?

You still want name servers on more than one subnet in case the anycast
setup breaks.

Tony.
-- 
f.anthony.n.finch  <dot at dotat.at>  http://dotat.at/
South Utsire: Northwesterly 6 to gale 8 decreasing 4 or 5. Moderate or rough.
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