| Date | IP Address |
| 2020-05-07 | 192.185.101.66 (ClassC) |
| 2024-08-26 | 96.127.183.34 (ClassC) |
| 2025-09-09 | 172.67.159.3 (ClassC) |
| 2026-02-03 | 108.163.234.178 (ClassC) |
| Date | Domain | IP |
| autodiscover.knoomie.com | 2025-09-13 | 108.163.234.178 |
| cpcalendars.knoomie.com | 2024-08-26 | 96.127.183.34 |
| cpcontacts.knoomie.com | 2024-05-13 | 96.127.183.34 |