Oct 31, 2011 - Oct 21, 2021
| Name | First Seen |
|---|
| Name | First Seen | Last Seen |
|---|---|---|
| dns02.blackboard.com | May 21, 2016 | Oct 21, 2021 |
| dns02.blackboard.com | Apr 06, 2016 | Apr 19, 2016 |
| dns02.blackboard.com | Mar 14, 2015 | Aug 21, 2015 |
| dns02.blackboard.com | Jun 16, 2014 | Jun 16, 2014 |
| dns02.blackboard.com | Oct 31, 2011 | Dec 25, 2013 |