Domain Name Services

The main DNS server used on the Internet is BIND.

Secure BIND Template: http://www.cymru.com/Documents/secure-bind-template.html

DNS Security: http://www.geocities.com/compsec101/papers/dnssec/dnssec.html

Distributed DNS, an interesting P2P concept - http://distributeddns.sourceforge.net/

Reverse DNS

Want to know how reverse DNS works? Actually it's quite similiar forward (normal DNS) resolving, except that the root servers send you to ARIN, who will probably defer to the various netblock owners: http://www.dnsstuff.com/info/revdns.htm