| Date | IP Address |
| 2020-12-09 | 80.78.250.10 (ClassC) |
| 2026-02-09 | 185.105.35.11 (ClassC) |
| Date | Domain | IP |
| pop3.ers.energy.ru | 2025-08-04 | 185.105.35.11 |
| mail.ers.energy.ru | 2026-02-09 | 185.105.35.11 |
| imap.ers.energy.ru | 2025-08-09 | 185.105.35.11 |
| pop.ers.energy.ru | 2024-12-23 | 185.105.35.11 |
| autodiscover.ers.energy.ru | 2026-02-03 | 185.105.35.11 |
| www.ers.energy.ru | 2025-08-08 | 185.105.35.11 |