| Date | IP Address |
| 2021-05-19 | 85.13.139.20 (ClassC) |
| 2025-01-04 | 85.13.164.231 (ClassC) |
| Date | Domain | IP |
| 1.ra-seidel.com | 2025-01-02 | 85.13.164.231 |
| barracuda.ra-seidel.com | 2025-01-04 | 85.13.164.231 |
| antispam.ra-seidel.com | 2024-11-27 | 85.13.164.231 |
| correo.ra-seidel.com | 2024-03-15 | 85.13.164.231 |