| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| blackboard1.com | SOA | 900 | ns-227.awsdns-28.com awsdns-hostmaster@amazon.com 1 7200 900 1209600 86400 | |
| blackboard1.com | NS | 21600 | ns-974.awsdns-57.net | |
| blackboard1.com | NS | 21600 | ns-1907.awsdns-46.co.uk | |
| blackboard1.com | NS | 21600 | ns-227.awsdns-28.com | |
| blackboard1.com | NS | 21600 | ns-1259.awsdns-29.org |