Negative zones; NXDOMAIN responses

[Matus UHLAR - fantomas]

On 21.05.13 11:03, Mark Andrews wrote:
>	The simplest solution is to slave the root zone and
>	turn off notify to so you don't spam the official
>	root servers.  192.5.5.241 is f.root-servers.net.
>
>zone "." IN {
>        type slave;
>        file "slave/root";
>        masters { 192.5.5.241; };
>        notify no;
>};

I thought this is not oficially recommended for ordinary users to prevent
root servers from being overloaded (transfers use much more resources than
ordinary lookups). Has this changed?
-- 
Matus UHLAR - fantomas, uhlar at fantomas.sk ; http://www.fantomas.sk/
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