| 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 |
| 2013-04-01 | 65.196.97.40 (ClassC) |
| 2013-10-17 | 98.191.169.151 (ClassC) |
| 2021-11-10 | 3.228.224.240 (ClassC) |
| 2021-11-10 | 67.219.250.204 (ClassC) |
| 2021-11-10 | 67.219.246.204 (ClassC) |
| 2021-11-10 | 54.210.240.248 (ClassC) |
| 2021-11-10 | 67.219.250.106 (ClassC) |
| 2021-11-10 | 67.219.246.106 (ClassC) |
| 2021-11-10 | 67.219.250.96 (ClassC) |
| 2021-11-10 | 67.219.246.96 (ClassC) |
| 2021-11-10 | 104.47.56.110 (ClassC) |
| 2021-11-10 | 67.219.250.108 (ClassC) |
| 2021-11-10 | 67.219.246.108 (ClassC) |
| 2021-11-10 | 67.219.247.106 (ClassC) |
| 2021-11-10 | 104.47.57.110 (ClassC) |
| 2021-11-10 | 67.219.250.192 (ClassC) |
| 2021-11-10 | 67.219.246.192 (ClassC) |
| 2021-11-10 | 67.219.247.202 (ClassC) |
| 2021-11-10 | 54.85.90.57 (ClassC) |
| 2021-11-10 | 67.219.250.202 (ClassC) |
| 2021-11-10 | 67.219.246.202 (ClassC) |
| 2021-11-10 | 67.219.247.204 (ClassC) |
| 2025-02-03 | 204.74.99.100 (ClassC) |
| 2025-02-23 | 34.205.36.2 (ClassC) |
| 2025-03-09 | 44.218.161.80 (ClassC) |
| 2025-03-26 | 44.221.103.82 (ClassC) |
| 2025-05-09 | 54.237.11.86 (ClassC) |
| 2025-07-11 | 35.170.173.35 (ClassC) |
| 2025-10-03 | 54.227.150.139 (ClassC) |
| 2026-01-29 | 100.24.164.233 (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 | 2025-10-04 | 23.41.4.73 |
| reviews.thegreatcourses.com | 2014-05-12 | 165.254.94.162 |
| www.thegreatcourses.com | 2023-08-25 | 96.7.156.246 |