| Date | IP Address |
| 2017-04-23 | 23.64.117.63 (ClassC) |
| 2020-10-20 | 65.8.186.27 (ClassC) |
| 2024-10-05 | 18.161.6.100 (ClassC) |
| 2024-12-19 | 3.163.189.47 (ClassC) |
| 2025-01-03 | 3.163.189.111 (ClassC) |
| 2025-03-08 | 3.163.189.114 (ClassC) |
| 2025-04-24 | 18.161.6.122 (ClassC) |
| 2025-05-10 | 18.161.6.29 (ClassC) |
| 2026-02-12 | 18.161.6.95 (ClassC) |
| Date | Domain | IP |
| en.writecheck.com | 2024-10-02 | 3.163.189.114 |
| app.writecheck.com | 2024-06-24 | 18.161.6.122 |
| www.writecheck.com | 2024-08-20 | 18.161.6.29 |