| Date | IP Address |
| 2024-09-28 | 99.84.66.46 (ClassC) |
| 2024-11-25 | 99.84.66.86 (ClassC) |
| 2024-12-21 | 52.84.162.117 (ClassC) |
| 2025-05-27 | 3.175.34.6 (ClassC) |
| 2026-01-15 | 3.175.34.28 (ClassC) |
| Date | Domain | IP |
| core.zehndergroup.com | 2025-09-14 | 40.122.76.30 |
| preview.zehndergroup.com | 2024-11-25 | 52.84.162.76 |
| www.zehndergroup.com | 2024-09-28 | 99.84.66.46 |
| sustainability.zehndergroup.com | 2024-11-25 | 99.84.66.46 |