"We deeply regret the recent service interruption that is currently impacting all SOE games," DCUO Community Manager Mepps said in a forum post. "As a thank you for your patience, we will add two days of membership time to all members' accounts."
According to EQ2wire.com, this downtime was caused by the SonyOnline.net domain name expiring, which SOE president John Smedley addressed in a tweet: "Sorry for the DNS problems folks. Won't happen again. Notices sent to wrong email. Doh."