John R Levine <jo...@taugh.com> wrote:

> > > This happens in China (on CERNET I believe): there are a set of root
> > > mirrors that hijack most (but not all) of the root IPs.  As far as we
> > > can tell, the servers are legitimate, returning the proper responses,
> > > except that the mirror servers don't support DNSSEC.
> >
> > Those are unusual meanings for "legitimate" and "proper responses"!
>
> Given the extensive use of anycast, these days one has only the vaguest
> idea of who's answering any particular query.  But if DNSSEC says it's
> good, why do you care?

In the case of these servers, DNSSEC says it is bad, so it is a DoS.

Tony.
-- 
f.anthony.n.finch  <d...@dotat.at>  http://dotat.at/
Fitzroy: West or southwest 5 to 7, occasionally gale 8. Rough at first in
east, otherwise very rough or high. Thundery showers. Good occasionally poor.

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