| Date | IP Address |
| 2024-11-15 | 104.21.48.97 (ClassC) |
| 2024-12-27 | 172.67.183.199 (ClassC) |
| 2025-03-07 | 104.21.80.1 (ClassC) |
| 2025-05-22 | 104.21.112.1 (ClassC) |
| 2025-09-12 | 70.32.23.110 (ClassC) |
| 2025-12-08 | 162.244.254.218 (ClassC) |
| Date | Domain | IP |
| preview.mailmonitor.com | 2024-04-30 | 52.92.225.201 |
| www.mailmonitor.com | 2024-12-08 | 104.21.48.97 |