| Date | IP Address |
| 2021-01-09 | 172.232.14.163 (ClassC) |
| 2022-06-22 | 23.38.191.25 (ClassC) |
| 2024-11-25 | 23.54.19.168 (ClassC) |
| 2026-01-04 | 23.41.4.88 (ClassC) |
| 2026-02-07 | 23.216.147.197 (ClassC) |
| Date | Domain | IP |
| server1.radissonblu.fi | 2024-11-05 | 23.46.17.26 |
| ms1.radissonblu.fi | 2021-01-13 | 104.114.79.32 |
| ns1.radissonblu.fi | 2024-07-13 | 23.46.17.26 |
| mail12.radissonblu.fi | 2024-11-03 | 23.46.17.37 |
| relay2.radissonblu.fi | 2021-02-25 | 23.38.191.25 |
| mail4.radissonblu.fi | 2021-02-21 | 184.28.93.25 |
| mta.radissonblu.fi | 2025-10-17 | 23.216.147.197 |
| gate.radissonblu.fi | 2025-02-26 | 23.46.228.165 |
| remote.radissonblu.fi | 2024-02-29 | 104.96.163.202 |
| smtp.mail.radissonblu.fi | 2025-12-20 | 23.216.147.202 |
| spam.radissonblu.fi | 2024-07-10 | 23.46.17.37 |
| antispam.radissonblu.fi | 2024-08-26 | 23.46.228.178 |
| com.radissonblu.fi | 2026-01-04 | 23.216.147.197 |
| smtp.radissonblu.fi | 2021-02-21 | 184.28.50.42 |
| authsmtp.radissonblu.fi | 2025-03-07 | 23.46.228.165 |
| ns.radissonblu.fi | 2024-02-24 | 104.96.163.202 |
| host.radissonblu.fi | 2024-06-17 | 23.46.17.37 |
| mailout.radissonblu.fi | 2024-03-12 | 23.44.175.189 |
| srv.radissonblu.fi | 2024-08-04 | 23.46.17.37 |
| www.radissonblu.fi | 2024-11-25 | 23.54.19.168 |
| mailbox.radissonblu.fi | 2024-02-23 | 23.46.17.37 |