Yes, they just got the server back up, but, sign-ups are on hold, as they have been since last week, and they might stay on hold until they open in the summer.
Donate to UBBDev today to help aid in Operational, Server and Script Maintenance, and Development costs.
Please also see our parent organization VNC Web Services if you're in the need of a new UBB.threads Install or Upgrade, Site/Server Migrations, or Security and Coding Services.