| Date | IP Address |
| 2017-07-13 | 52.84.3.98 (ClassC) |
| 2019-07-21 | 13.224.196.28 (ClassC) |
| 2025-01-04 | 3.163.24.100 (ClassC) |
| 2025-05-10 | 99.84.66.113 (ClassC) |
| Date | Domain | IP |
| www500.zkai.co.jp | 2023-08-25 | 104.86.245.47 |
| ex2.zkai.co.jp | 2024-08-21 | 3.163.24.120 |
| www23.zkai.co.jp | 2024-09-02 | 3.163.24.78 |
| www3.zkai.co.jp | 2025-01-04 | 3.163.24.100 |
| www505.zkai.co.jp | 2025-01-11 | 54.250.230.88 |
| image.im.zkai.co.jp | 2024-09-21 | 23.223.222.24 |
| www.zkai.co.jp | 2023-08-13 | 54.150.127.119 |
| tmarkz.zkai.co.jp | 2024-11-25 | 52.197.130.71 |