| Date | IP Address |
| 2021-04-10 | 52.60.146.74 (ClassC) |
| 2024-08-29 | 15.157.73.249 (ClassC) |
| 2024-11-29 | 3.98.156.153 (ClassC) |
| 2025-03-17 | 15.157.52.125 (ClassC) |
| 2025-05-24 | 15.156.161.187 (ClassC) |
| 2025-09-15 | 3.98.75.111 (ClassC) |
| 2025-12-26 | 15.222.55.40 (ClassC) |
| 2026-02-14 | 16.54.99.213 (ClassC) |
| Date | Domain | IP |
| mx01.unefi.com | 2025-07-30 | 52.60.146.74 |
| ms1.unefi.com | 2025-05-26 | 52.60.146.74 |
| mail02.unefi.com | 2026-02-04 | 52.60.146.74 |
| mx02.unefi.com | 2025-08-18 | 52.60.146.74 |
| www2.unefi.com | 2025-08-18 | 52.60.146.74 |
| mail6.unefi.com | 2026-02-04 | 52.60.146.74 |
| mta.unefi.com | 2026-01-30 | 52.60.146.74 |
| poczta.unefi.com | 2025-09-21 | 52.60.146.74 |
| awsweb.unefi.com | 2025-09-21 | 52.60.146.74 |
| comune.unefi.com | 2024-10-20 | 52.60.146.74 |
| smtp.comune.unefi.com | 2025-08-03 | 52.60.146.74 |
| webmail.unefi.com | 2026-01-27 | 52.60.146.74 |
| outmail.unefi.com | 2025-09-18 | 52.60.146.74 |
| koodo.unefi.com | 2025-07-26 | 52.60.146.74 |
| smtpseguro.unefi.com | 2025-09-26 | 52.60.146.74 |
| temp.unefi.com | 2025-09-17 | 52.60.146.74 |
| mailer.unefi.com | 2026-02-09 | 52.60.146.74 |
| postmaster.unefi.com | 2025-10-08 | 52.60.146.74 |
| valeant.unefi.com | 2025-08-08 | 52.60.146.74 |
| support.unefi.com | 2026-01-27 | 52.60.146.74 |
| mailhost.unefi.com | 2025-06-04 | 52.60.146.74 |
| gw.unefi.com | 2024-08-29 | 15.157.73.249 |
| www.unefi.com | 2025-08-09 | 52.60.146.74 |