| Date | IP Address |
| 2018-07-16 | 209.85.200.27 (ClassC) |
| 2025-09-06 | 173.194.193.27 (ClassC) |
| 2025-11-18 | 192.178.163.27 (ClassC) |
| 2025-12-08 | 173.194.202.27 (ClassC) |
| 2026-01-14 | 74.125.199.26 (ClassC) |
| Date | Domain | IP |
| posta.mgrunin.com | 2024-08-07 | 74.125.199.26 |
| imap.mgrunin.com | 2025-11-18 | 192.178.163.27 |
| smtp.mgrunin.com | 2025-08-01 | 173.194.203.26 |
| smtps.mgrunin.com | 2025-11-18 | 172.253.117.26 |