Instalar Servidor DNS en Ubuntu 10.04

Tutorial 1
http://www.youtube.com/watch?v=w4474ykp6BE

Tutorial 2
http://blog.jam.net.ve/2010/08/20/vuela-en-internet-usando-una-cache-dns-dnsmasq-en-ubuntu/

Tutorial 3
http://www.guia-ubuntu.org/index.php?title=Dnsmasq%2C_servidor_DNS_y_DHCP