| Date | IP Address |
| 2021-03-26 | 54.239.174.66 (ClassC) |
| 2024-08-05 | 3.163.24.54 (ClassC) |
| 2024-09-26 | 18.161.6.40 (ClassC) |
| 2025-01-09 | 52.84.162.7 (ClassC) |
| 2025-03-29 | 3.163.24.73 (ClassC) |
| Date | Domain | IP |
| mail01.negotiable.com | 2025-01-24 | 3.163.24.73 |
| ns1.negotiable.com | 2024-08-14 | 3.163.24.37 |
| poczta.negotiable.com | 2024-08-17 | 52.84.162.7 |
| comune.negotiable.com | 2024-09-15 | 3.163.24.54 |
| gate.negotiable.com | 2024-08-05 | 3.163.24.54 |
| smtpseguro.negotiable.com | 2024-07-07 | 3.163.24.73 |
| authsmtp.negotiable.com | 2024-03-05 | 3.163.24.86 |
| a.mx.negotiable.com | 2024-04-06 | 3.163.24.73 |
| mailbox.negotiable.com | 2024-10-11 | 3.163.24.73 |