| Date | IP Address |
| 2014-11-05 | 81.169.156.203 (ClassC) |
| 2025-01-19 | 85.13.128.135 (ClassC) |
| Date | Domain | IP |
| m.maurice-renck.de | 2024-11-02 | 85.13.128.135 |
| correo.maurice-renck.de | 2024-11-21 | 85.13.128.135 |
| imap.maurice-renck.de | 2024-11-01 | 85.13.128.135 |
| a.mx.maurice-renck.de | 2024-10-08 | 85.13.128.135 |
| gateway.maurice-renck.de | 2025-01-02 | 85.13.128.135 |