sasa sasa wrote:
> I'm trying to setup a DNS for an ISP, this ISP's DNS is in delegation
> tree (answering world), and I know about cache vulnerabilities so I was
> wondering what is the best solution for ISPs? By separating cache from
> authorities, you mean implementing 2 DNSs (2 different IPs)? This doesn't
> sound practical.
>
> Thanks, Sa

Why not?  Your customers don't need to know about the authoritatives
directly; the only addresses they'll require are the caching servers'.

I'd bet on small efficiencies to be gained only by mixing the two, but not
worth the potential troubles, IMHO.
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