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[Jeff Taylor <shdwdrgn AT sourpuss.net>]

The problem with that method is that it offloads a lot of recursive work
to the tier-1 servers, especially if you keep a very small cache size. 
And if by chance you don't have *any* caching set up, a ddos on your
tier-2 would also ddos the tier-1 it was querying for answers.

I'm not sure how you consider powerDNS to be a robust solution if it
isn't able to slave a zone?  Sounds more like a repeater rather than an
actual DNS solution?


On 04/10/2013 04:05 PM, webmaster AT blockaid.me wrote:
> Exactly correct.
>
> If you want to run a T2 on bind, you just set your server up to slave the 
> opennic root zone. You can't do that on pdns. So you have to use the hint 
> method, which essentially just tells your pdns recursor to use the opennic 
> root servers.
>