| Date | IP Address |
| 2021-02-20 | 85.13.140.125 (ClassC) |
| 2025-11-27 | 85.13.131.240 (ClassC) |
| Date | Domain | IP |
| exchange.kraess.com | 2025-05-25 | 85.13.131.240 |
| auth.kraess.com | 2025-05-24 | 85.13.131.240 |
| antispam.kraess.com | 2025-05-30 | 85.13.131.240 |
| authsmtp.kraess.com | 2025-05-24 | 85.13.131.240 |
| box.kraess.com | 2025-11-27 | 85.13.131.240 |