| Date | IP Address |
| 2021-02-17 | 85.13.134.12 (ClassC) |
| 2025-11-26 | 85.13.151.120 (ClassC) |
| Date | Domain | IP |
| mail2.mz-systemtechnik.com | 2025-11-26 | 85.13.151.120 |
| imap2.mz-systemtechnik.com | 2025-06-21 | 85.13.151.120 |
| mail5.mz-systemtechnik.com | 2025-10-02 | 85.13.151.120 |
| auth.mz-systemtechnik.com | 2025-11-26 | 85.13.151.120 |
| mail.mz-systemtechnik.com | 2024-11-04 | 88.217.161.134 |
| email.mz-systemtechnik.com | 2025-10-02 | 85.13.151.120 |
| antispam.mz-systemtechnik.com | 2025-10-03 | 85.13.151.120 |
| correo.mz-systemtechnik.com | 2025-10-01 | 85.13.151.120 |
| imap.mz-systemtechnik.com | 2025-10-02 | 85.13.151.120 |
| ftp.mz-systemtechnik.com | 2025-10-07 | 85.13.151.120 |
| mailer.mz-systemtechnik.com | 2025-09-12 | 85.13.151.120 |
| hermes.mz-systemtechnik.com | 2025-10-02 | 85.13.151.120 |