Dear Sirs, on Thursday, May 26, 2016 at 00:00 to 4:00 AM (the timing will be in the zone CEST - Central European Summer Time) a planned registration system shutdown will be carried out. The system will be unavailable during the shutdown. During the shutdown we will continue implementing internal changes. These changes are already implemented on the cz-test instance. We apologize for any inconvenience caused. Thank you and kind regards Marketa Kusickova -- Markéta Kušičková CZ.NIC, z.s.p.o. Milešovská 5 130 00 Praha 3 T +420 222 745 125 M +420 603 826 732