I thought this was a rather thought-provoking article, especially in light of the ways in which DNS is frequently abused in VoIP relative to the intentions of its original design: http://queue.acm.org/detail.cfm?id=1647302 -- Alex Balashov - Principal Evariste Systems Web : http://www.evaristesys.com/ Tel : (+1) (678) 954-0670 Direct : (+1) (678) 954-0671