| Date | IP Address |
| 2021-03-21 | 5.2.73.56 (ClassC) |
| 2024-12-26 | 172.67.180.3 (ClassC) |
| 2025-01-26 | 104.21.31.219 (ClassC) |
| Date | Domain | IP |
| mail.r4-nds.fr | 2025-01-26 | 104.21.31.219 |
| pop.r4-nds.fr | 2025-01-26 | 172.67.180.3 |
| smtp.r4-nds.fr | 2025-01-26 | 104.21.31.219 |
| www.r4-nds.fr | 2025-01-26 | 172.67.180.3 |