| Date | IP Address |
| 2015-01-16 | 213.186.33.16 (ClassC) |
| 2019-09-20 | 185.26.106.31 (ClassC) |
| 2025-04-07 | 185.26.106.165 (ClassC) |
| 2026-02-12 | 195.35.49.246 (ClassC) |
| Date | Domain | IP |
| remote.arcad.lu | 2025-09-08 | 45.158.140.169 |
| email.arcad.lu | 2025-08-17 | 45.158.140.169 |
| autodiscover.arcad.lu | 2024-02-21 | 52.96.113.216 |
| www.arcad.lu | 2024-09-20 | 185.26.106.165 |
| mx.arcad.lu | 2025-06-17 | 45.158.140.169 |