| Date | IP Address |
| 2021-03-23 | 5.252.229.81 (ClassC) |
| 2026-01-20 | 85.128.128.104 (ClassC) |
| Date | Domain | IP |
| exchange.topkolor.com | 2025-09-09 | 85.128.128.104 |
| gate.topkolor.com | 2026-01-20 | 85.128.128.104 |
| email.topkolor.com | 2025-07-02 | 85.128.128.104 |
| a.mx.topkolor.com | 2025-10-07 | 85.128.128.104 |
| box.topkolor.com | 2025-11-15 | 85.128.128.104 |