A picture illustrating the DNS lookup procedure
DNS Stuff: DNS tools, WHOIS, tracert, ping, and other network tools
RFC 2606, Reserved Top Level DNS Names
CAcert Inc: The Free Community Digital Certificate Authority
SASL: Simple Authentication and Security Layer (Cyrus)
RFC 2222, Simple Authentication and Security Layer (SASL)
/etc/sysconfig/network-scripts/ifcfg-eth0
/etc/named.conf (caching only)
/etc/named.conf (caching and forwarding)
/var/named/named.ca (hints file)