| Date | IP Address |
| 2021-02-15 | 143.95.251.26 (ClassC) |
| 2025-11-29 | 103.224.182.243 (ClassC) |
| Date | Domain | IP |
| exchange.kamstabuk.com | 2025-11-07 | 103.224.182.243 |
| auth.kamstabuk.com | 2025-11-29 | 103.224.182.243 |
| email.kamstabuk.com | 2025-11-04 | 103.224.182.243 |
| antispam.kamstabuk.com | 2025-11-29 | 103.224.182.243 |
| www.kamstabuk.com | 2015-02-08 | 23.91.121.8 |