NSD - authoritative name server - http://www.nlnetlabs.nl/projects/nsd/
Unbound - recursive name server - http://www.unbound.net/

- rfc1912 - Common DNS operational and configuration errors
- rfc2182 - Selection and Operation of Secondary DNS Servers
- rfc2870 - Root Name Server Operational Requirements

IPv4 Anycast with Linux and Quagga
	http://www.linuxjournal.com/magazine/ipv4-anycast-linux-and-quagga?page=0,0

ProDNS
	http://www.zytrax.com/books/dns/

Monitoring SOA drift with Nagios
	http://www.andyd.net/2006/monitoring-soa-drift-with-nagios/

Why DNS based Global Server Load Balancing Doesn't Work
	http://www.tenereillo.com/GSLBPageOfShame.htm
	http://www.tenereillo.com/GSLBPageOfShameII.htm