| Date | IP Address |
| 2022-10-08 | 85.13.135.196 (ClassC) |
| 2025-12-04 | 85.13.130.165 (ClassC) |
| Date | Domain | IP |
| mail2.jacob.it | 2025-10-11 | 85.13.130.165 |
| barracuda.jacob.it | 2025-11-28 | 85.13.130.165 |
| imap.jacob.it | 2025-10-11 | 85.13.130.165 |
| authsmtp.jacob.it | 2025-11-27 | 85.13.130.165 |
| mailhost.jacob.it | 2025-10-11 | 85.13.130.165 |
| www.jacob.it | 2025-12-04 | 85.13.130.165 |
| a.mx.jacob.it | 2025-10-11 | 85.13.130.165 |
| mailbox.jacob.it | 2025-10-11 | 85.13.130.165 |