Como levantar un DNS en 1 minuto

echo named_enabled="YES" >> /etc/rc.conf
echo pass in on $ext_if proto {tcp,udp} from any to any port domain >> /etc/pf.conf
$EDITOR /var/named/etc/namedb/named.conf
$EDITOR las_zonas
/etc/rc.d/named restart
/etc/rc.d/pf restart

ridiculamente facil...

PD: la cosa queda chruteada... :P