| Date | IP Address |
| 2021-02-22 | 85.13.134.12 (ClassC) |
| 2025-01-09 | 85.13.161.234 (ClassC) |
| Date | Domain | IP |
| imap1.liersch.name | 2024-10-28 | 85.13.161.234 |
| mail02.liersch.name | 2024-10-06 | 85.13.161.234 |
| mail2.liersch.name | 2025-01-09 | 85.13.161.234 |
| imap2.liersch.name | 2024-08-02 | 85.13.161.234 |
| mail.liersch.name | 2024-09-05 | 85.13.161.234 |
| authsmtp.liersch.name | 2024-12-24 | 85.13.161.234 |
| box.liersch.name | 2025-01-09 | 85.13.161.234 |