| Date | IP Address |
| 2023-08-26 | 134.119.111.21 (ClassC) |
| 2024-05-27 | 18.245.86.114 (ClassC) |
| 2024-08-21 | 108.157.150.17 (ClassC) |
| 2024-09-27 | 18.245.86.125 (ClassC) |
| 2024-10-05 | 18.245.86.76 (ClassC) |
| 2024-11-21 | 3.166.96.27 (ClassC) |
| 2025-01-12 | 3.166.96.32 (ClassC) |
| Date | Domain | IP |
| core.zehndergroup.com | 2024-11-25 | 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 |