lsb_release -a LSB Version:    :core-4.0-ia32:core-4.0-noarch Distributor ID:    Fedora Description:    Fedora release 14 (Laughlin) Release:    14 Codename:    Laughlin 1) where does a local caching-nameserver get's it's information, about dns? cat /etc/resolv.conf nameserver 127.0.0.1 nameserver 8.8.8.8 so if i want information about foo.com, then if it's not cached, i ask the local caching-dns-server. it doesn't know, what is foo.com. so what does it do? it asks the second name server? the 8.8.8.8? 2) i just can't find where could i set that what is the largest cache size of the local dns server. how long does the local dns server stores the informations? 3) can i flush the dns cache? restart named? thank you!