| Date | IP Address |
| 2020-12-15 | 52.213.192.18 (ClassC) |
| 2024-07-23 | 46.137.15.86 (ClassC) |
| 2024-11-11 | 54.220.192.176 (ClassC) |
| 2025-01-22 | 107.22.57.98 (ClassC) |
| 2025-04-26 | 54.159.116.102 (ClassC) |
| 2025-09-08 | 174.129.128.48 (ClassC) |
| 2026-02-08 | 52.5.82.174 (ClassC) |
| Date | Domain | IP |
| barracuda.vanderzijpen.com | 2024-08-19 | 54.159.116.102 |
| antispam.vanderzijpen.com | 2026-02-08 | 54.73.53.134 |
| ms.vanderzijpen.com | 2024-07-23 | 46.137.15.86 |