| Date | IP Address |
| 2021-01-28 | 35.209.49.234 (ClassC) |
| 2026-01-15 | 192.0.78.20 (ClassC) |
| Date | Domain | IP |
| mx0.mountchor.com | 2025-10-13 | 192.0.78.20 |
| smtp01.mountchor.com | 2025-10-31 | 192.0.78.20 |
| mail11.mountchor.com | 2025-10-07 | 192.0.78.20 |
| mail2.mountchor.com | 2026-01-15 | 192.0.78.20 |
| pop3.mountchor.com | 2025-09-22 | 192.0.78.20 |
| poczta.mountchor.com | 2025-07-28 | 192.0.78.20 |
| authsmtp.mountchor.com | 2025-10-07 | 192.0.78.20 |
| smtps.mountchor.com | 2025-10-08 | 192.0.78.20 |
| intranet.mountchor.com | 2025-09-22 | 192.0.78.20 |
| host.mountchor.com | 2025-09-24 | 192.0.78.20 |
| post.mountchor.com | 2025-12-31 | 192.0.78.20 |
| www.mountchor.com | 2025-10-07 | 192.0.78.20 |
| mx.mountchor.com | 2025-11-13 | 192.0.78.20 |
| a.mx.mountchor.com | 2026-01-15 | 192.0.78.20 |
| mailbox.mountchor.com | 2025-10-10 | 192.0.78.20 |