| Date | IP Address |
| 2025-12-04 | 93.191.156.125 (ClassC) |
| Date | Domain | IP |
| mail1.voluntasgroup.com | 2025-12-04 | 93.191.156.125 |
| ms1.voluntasgroup.com | 2025-04-25 | 93.191.156.125 |
| mail2.voluntasgroup.com | 2025-05-07 | 93.191.156.125 |
| smtp2.voluntasgroup.com | 2024-03-27 | 93.191.156.125 |
| ns2.voluntasgroup.com | 2025-05-15 | 93.191.156.125 |
| mail7.voluntasgroup.com | 2024-10-25 | 93.191.156.125 |
| barracuda.voluntasgroup.com | 2024-03-30 | 93.191.156.125 |
| exchange.voluntasgroup.com | 2025-12-04 | 93.191.156.125 |
| comune.voluntasgroup.com | 2025-05-13 | 93.191.156.125 |
| mail.comune.voluntasgroup.com | 2025-02-24 | 93.191.156.125 |
| gate.voluntasgroup.com | 2025-04-29 | 93.191.156.125 |
| smtpauth.voluntasgroup.com | 2025-04-24 | 93.191.156.125 |
| email.voluntasgroup.com | 2025-05-09 | 93.191.156.125 |
| ns.voluntasgroup.com | 2025-12-04 | 93.191.156.125 |
| mailhost.voluntasgroup.com | 2025-04-30 | 93.191.156.125 |
| out.voluntasgroup.com | 2025-05-06 | 93.191.156.125 |
| mailrelay.voluntasgroup.com | 2025-04-27 | 93.191.156.125 |