| Date | IP Address |
| 2020-12-11 | 163.43.80.52 (ClassC) |
| 2025-10-24 | 133.167.8.106 (ClassC) |
| Date | Domain | IP |
| api.doing.co.jp | 2025-10-24 | 133.167.8.106 |
| www.api.doing.co.jp | 2025-10-24 | 133.167.8.106 |
| mail.doing.co.jp | 2025-10-24 | 133.167.8.106 |
| www.doing.co.jp | 2025-10-24 | 133.167.8.106 |