| Date | IP Address |
| 2021-04-13 | 52.217.161.181 (ClassC) |
| 2024-05-09 | 52.217.134.253 (ClassC) |
| 2024-05-18 | 52.217.49.91 (ClassC) |
| 2024-09-26 | 16.182.100.181 (ClassC) |
| 2024-11-22 | 54.231.225.37 (ClassC) |
| 2024-12-09 | 52.216.90.59 (ClassC) |
| 2025-02-27 | 52.216.171.170 (ClassC) |
| 2025-07-03 | 54.231.137.101 (ClassC) |
| 2025-08-11 | 54.231.197.61 (ClassC) |
| 2026-01-11 | 52.216.210.205 (ClassC) |
| Date | Domain | IP |
| mail.thomasrcook.com | 2024-05-30 | 52.217.76.235 |