| Date | IP Address |
| 2015-08-30 | 81.4.80.36 (ClassC) |
| 2019-08-04 | 185.69.232.60 (ClassC) |
| 2020-11-15 | 81.4.96.197 (ClassC) |
| 2026-01-31 | 136.144.240.144 (ClassC) |
| Date | Domain | IP |
| cpanel.hofvanwolder.nl | 2025-09-03 | 136.144.240.144 |
| mail.hofvanwolder.nl | 2025-05-10 | 136.144.240.144 |
| autodiscover.hofvanwolder.nl | 2025-09-13 | 136.144.240.144 |
| www.hofvanwolder.nl | 2025-09-20 | 136.144.240.144 |