| Date | IP Address |
| 2021-05-27 | 52.95.165.87 (ClassC) |
| 2024-07-06 | 16.12.1.11 (ClassC) |
| 2024-08-10 | 16.12.2.59 (ClassC) |
| 2025-04-29 | 52.95.164.17 (ClassC) |
| 2025-05-09 | 16.12.1.79 (ClassC) |
| 2025-07-03 | 3.5.232.143 (ClassC) |
| 2025-08-10 | 3.5.234.196 (ClassC) |
| Date | Domain | IP |
| mail5.sestari.com | 2024-02-22 | 16.12.2.11 |
| imap.sestari.com | 2024-07-06 | 16.12.1.11 |