[Apologies for duplicates] Dear Colleagues, On 4 April, 2007, authoritative Reverse DNS Services on ns- sec.ripe.net will be unavailable between 19:00 and 20:00 UTC. During this time we need to carry out maintenance work. We apologise for any inconvenience this causes. If you have any questions or concerns about this, please e-mail: dns- help@ripe.net -- Brett Carr Manager -- DNS Services Group RIPE Network Coordination Centre Amsterdam