DDOS I do believe. You are not alone! Though you should be able to connect to IRC. http://www.uorenaissance.com/irc/?page=irc
OK thanks man.. Im sure it will be back up soon. Thanks to Chris and all the people who keep this server up for us! I really appreciate it!!
See this thread for more information. http://uorforum.com/threads/server-status-connection-issues-denial-of-service-attacks.9719/