| Date | IP Address |
| 2023-08-14 | 172.67.70.249 (ClassC) |
| 2024-02-03 | 104.26.4.2 (ClassC) |
| 2024-02-22 | 104.26.5.2 (ClassC) |
| 2025-04-21 | 104.26.15.88 (ClassC) |
| 2025-12-04 | 172.67.71.197 (ClassC) |
| 2026-01-11 | 104.26.14.88 (ClassC) |
| Date | Domain | IP |
| alumni.cdl.ch | 2024-02-15 | 52.84.162.102 |
| mail.cdl.ch | 2024-11-21 | 104.26.15.88 |
| enrollment.cdl.ch | 2024-10-01 | 104.26.15.88 |
| www.cdl.ch | 2025-04-21 | 104.26.14.88 |