| Date | IP Address |
| 2021-05-04 | 202.254.234.81 (ClassC) |
| 2025-06-05 | 162.43.94.24 (ClassC) |
| Date | Domain | IP |
| mail1.free-material.com | 2025-04-24 | 162.43.94.24 |
| mx1.free-material.com | 2025-01-14 | 162.43.94.24 |
| mail2.free-material.com | 2025-05-14 | 162.43.94.24 |
| owa.free-material.com | 2025-05-11 | 162.43.94.24 |
| static.free-material.com | 2025-02-09 | 162.43.94.24 |
| cloud.free-material.com | 2025-05-16 | 162.43.94.24 |
| auth.free-material.com | 2025-05-08 | 162.43.94.24 |
| smtpauth.free-material.com | 2025-05-28 | 162.43.94.24 |
| api.free-material.com | 2025-05-07 | 162.43.94.24 |
| mailin.free-material.com | 2025-05-10 | 162.43.94.24 |
| pop.free-material.com | 2025-06-05 | 162.43.94.24 |
| backup.free-material.com | 2025-01-08 | 162.43.94.24 |
| files.free-material.com | 2025-05-06 | 162.43.94.24 |
| host.free-material.com | 2025-04-21 | 162.43.94.24 |
| www.free-material.com | 2025-04-23 | 162.43.94.24 |
| relay.free-material.com | 2025-05-05 | 162.43.94.24 |