| Date | IP Address |
| 2025-05-08 | 185.106.25.67 (ClassC) |
| Date | Domain | IP |
| outbound-1.mail.etat.lu | 2025-05-01 | 185.106.25.66 |
| outbound-2.mail.etat.lu | 2025-05-08 | 185.106.25.67 |
| outbound-3.mail.etat.lu | 2025-05-01 | 185.106.25.62 |
| outbound-4.mail.etat.lu | 2025-05-01 | 185.106.25.63 |
| edgeprod.mail.etat.lu | 2025-05-04 | 185.106.25.58 |
| office.mail.etat.lu | 2025-05-01 | 185.106.24.37 |
| outlook.mail.etat.lu | 2025-05-05 | 185.106.27.148 |
| autodiscover.mail.etat.lu | 2025-05-01 | 185.106.27.148 |