This might help - section 4.4 has formal details on the Bind server selection algorithms: http://ocw.mit.edu/courses/mathematics/18-996-topics-in-theoretical-co

This might help - section 4.4 has formal details on the Bind server selection algorithms: http://ocw.mit.edu/courses/mathematics/18-996-topics-in-theoretical-computer-science-internet-research-problems-spring-2002/lecture-notes/dns.pdf http://ocw.mit.edu/courses/mathematics/18-996-topics-in-theo...