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| blackboard.com | NS | 300 | | ns0049.secondary.cloudflare.com |
| blackboard.com | NS | 300 | | ns0143.secondary.cloudflare.com |
| blackboard.com | A | 300 | | 20.85.72.68 |
| blackboard.com | MX | 300 | 10 | blackboard-com.mail.protection.outlook.com |
| www.blackboard.com | A | 300 | | 104.18.4.24 |
| www.blackboard.com | A | 300 | | 104.18.5.24 |
| www.blackboard.com | AAAA | 300 | | 2606:4700::6812:518 |
| www.blackboard.com | AAAA | 300 | | 2606:4700::6812:418 |
| www.blackboard.com | CNAME | 300 | | blackboard.acquiaedge.net |