| Property | Value |
| NameServer | UDNS2.ULTRADNS.NET |
| Created | 1999-01-27 00:00:00 |
| Changed | 2014-11-28 00:00:00 |
| Expires | 2018-01-27 00:00:00 |
| Registrar | NETWORK SOLUTIONS, L |
| Date | IP Address |
| 2023-08-25 | 96.7.156.246 (ClassC) |
| 2023-11-02 | 23.60.34.147 (ClassC) |
| 2024-04-21 | 23.54.33.122 (ClassC) |
| 2024-08-10 | 104.86.95.139 (ClassC) |
| 2024-09-18 | 23.201.23.89 (ClassC) |
| 2024-11-25 | 23.48.18.146 (ClassC) |
| 2024-12-26 | 23.209.24.131 (ClassC) |
| 2025-01-19 | 104.103.121.131 (ClassC) |
| Date | Domain | IP |
| lib.thegreatcourses.com | 2024-08-16 | 23.54.19.106 |
| store.thegreatcourses.com | 2024-08-17 | 104.96.163.134 |
| m2api.thegreatcourses.com | 2024-06-19 | 23.41.4.73 |
| reviews.thegreatcourses.com | 2014-05-12 | 165.254.94.162 |
| www.thegreatcourses.com | 2023-08-25 | 96.7.156.246 |