| Date | IP Address |
| 2025-01-09 | 89.191.92.38 (ClassC) |
| Date | Domain | IP |
| aliasemailservice.sach.vv.check24.de | 2024-11-09 | 89.191.92.38 |
| api.aliasemailservice.sach.vv.check24.de | 2025-01-09 | 89.191.92.38 |
| bo.aliasemailservice.sach.vv.check24.de | 2025-01-09 | 89.191.92.38 |
| webclient.aliasemailservice.sach.vv.check24.de | 2025-01-05 | 89.191.92.38 |