Date / Time: 28-02-2013 - 28-02-2013 / 22:00:00 - 02:00:00 (UTC)
Services affected: Bugzilla, DNS
Description: We are performing maintenance on various servers during this time. The interruption should be no longer than 30 minutes for each of the services listed above.
Update : The server maintenance is completed now and everything should be working fine. Please feel free to file a support ticket if you have any further issues.