| Property | Value |
| hostmaster@1und1.de | |
| NameServer | ns66.1und1.de |
| Changed | 2011-01-03 15:02:46 |
| Date | IP Address |
| 2013-09-21 | 82.165.144.251 (ClassC) |
| 2023-08-06 | 88.198.22.79 (ClassC) |
| 2025-09-14 | 104.26.9.75 (ClassC) |
| 2025-10-09 | 104.26.8.75 (ClassC) |
| 2026-03-02 | 172.67.69.130 (ClassC) |
| Date | Domain | IP |
| mail01.acriba.de | 2026-01-27 | 172.67.69.130 |