| Date | IP Address |
| 2024-04-26 | 18.154.219.124 (ClassC) |
| 2024-11-25 | 52.84.162.76 (ClassC) |
| 2025-03-30 | 99.84.66.23 (ClassC) |
| 2025-04-24 | 99.84.66.86 (ClassC) |
| 2025-08-07 | 3.175.34.28 (ClassC) |
| 2025-08-10 | 3.175.34.40 (ClassC) |
| 2026-01-11 | 3.175.34.6 (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 |