| Date | IP Address |
| 2024-11-25 | 104.21.4.136 (ClassC) |
| 2025-01-23 | 104.21.112.1 (ClassC) |
| 2025-03-07 | 104.21.64.1 (ClassC) |
| 2025-08-17 | 104.21.32.1 (ClassC) |
| 2025-10-02 | 172.67.132.32 (ClassC) |
| Date | Domain | IP |
| mail.hartmann.host | 2025-09-20 | 5.75.248.130 |
| www.hartmann.host | 2024-11-25 | 104.21.4.136 |