| Date | IP Address |
| 2024-12-02 | 3.122.43.64 (ClassC) |
| 2025-08-23 | 3.127.144.152 (ClassC) |
| 2026-02-20 | 52.57.163.17 (ClassC) |
| Date | Domain | IP |
| apac.denhartogh.com | 2025-05-24 | 85.187.128.38 |
| dhacrosstheglobe.denhartogh.com | 2024-12-02 | 3.122.43.64 |
| inside.denhartogh.com | 2024-11-28 | 18.192.156.108 |
| login.denhartogh.com | 2025-05-27 | 212.23.62.121 |
| autodiscover.denhartogh.com | 2024-12-05 | 52.96.184.152 |
| careers.denhartogh.com | 2025-05-27 | 35.242.209.60 |
| www.careers.denhartogh.com | 2025-05-25 | 35.242.209.60 |
| www.denhartogh.com | 2025-09-02 | 3.123.136.45 |
| my.denhartogh.com | 2025-02-11 | 34.211.108.45 |