| Date | IP Address |
| 2014-03-14 | 108.162.199.192 (ClassC) |
| 2014-09-16 | 104.28.8.40 (ClassC) |
| 2020-06-11 | 172.67.185.95 (ClassC) |
| 2026-02-11 | 74.220.215.233 (ClassC) |
| Date | Domain | IP |
| entersite.checkonsite.com | 2025-12-06 | 74.220.215.233 |
| www.checkonsite.com | 2025-12-22 | 74.220.215.233 |