Pardon me for asking, but why do you need a maintenance window to upgrade the DNS server? You can for example reroute the IP to another server while you perform the upgrade. Cheers, Joergen Hovland -----Original Message----- From: dns-wg-admin@ripe.net [mailto:dns-wg-admin@ripe.net] On Behalf Of Sjoerd Oostdijck Sent: 6. september 2007 15:43 To: dns-wg@ripe.net; ncc-services-wg@ripe.net Subject: [dns-wg] DNS Maintenance on ns-tld.ripe.net, 12 Sept [Apologies for duplicate e-mails.] Dear Colleagues, On Wednesday, 12 September 2007, we will update our DNS server ns-tld.ripe.net between 17:00 and 17:15 (UTC). During this period, it will not be able to answer DNS queries. We apologise for any inconvenience this may cause. If you have any questions or concerns about this, please send an e-mail to <dns-help@ripe.net>. Regards, Sjoerd Oostdijck, DNS Services RIPE NCC