| Date | IP Address |
| 2025-03-08 | 52.84.162.38 (ClassC) |
| 2025-03-21 | 99.84.66.23 (ClassC) |
| 2025-04-07 | 99.84.66.86 (ClassC) |
| 2025-05-19 | 108.138.94.70 (ClassC) |
| 2025-06-14 | 3.175.34.40 (ClassC) |
| 2025-08-17 | 3.175.34.6 (ClassC) |
| 2026-02-25 | 3.175.34.30 (ClassC) |
| Date | Domain | IP |
| international.zehnder-systems.com | 2025-02-10 | 99.84.66.46 |
| www.international.zehnder-systems.com | 2025-02-10 | 99.84.66.86 |
| products.zehnder-systems.com | 2024-11-24 | 99.84.66.4 |
| www.zehnder-systems.com | 2025-03-08 | 52.84.162.38 |