| Date | IP Address |
| 2020-03-13 | 46.4.34.176 (ClassC) |
| 2025-05-23 | 185.53.177.31 (ClassC) |
| 2025-11-13 | 5.9.10.75 (ClassC) |
| 2026-02-21 | 172.67.172.122 (ClassC) |
| Date | Domain | IP |
| autoconfig.estica.eu | 2024-12-01 | 76.223.26.96 |
| autodiscover.estica.eu | 2024-08-27 | 76.223.26.96 |
| www.estica.eu | 2024-09-08 | 76.223.26.96 |