| Date | IP Address |
| 2025-08-13 | 185.89.6.121 (ClassC) |
| Date | Domain | IP |
| mail.olthof-horses.com | 2025-06-25 | 185.89.6.121 |
| mp.olthof-horses.com | 2025-08-09 | 185.89.6.121 |
| markenpieter.olthof-horses.com | 2025-06-03 | 185.89.6.121 |
| hostmaster.olthof-horses.com | 2025-07-27 | 185.89.6.121 |
| www.olthof-horses.com | 2025-08-13 | 185.89.6.121 |