| Date | IP Address |
| 2019-04-13 | 52.222.218.3 (ClassC) |
| 2019-04-13 | 52.222.218.36 (ClassC) |
| 2019-04-13 | 52.222.218.198 (ClassC) |
| 2019-04-13 | 52.222.218.252 (ClassC) |
| 2020-11-10 | 13.225.189.124 (ClassC) |
| 2021-05-16 | 99.84.126.36 (ClassC) |
| 2021-07-21 | 52.84.22.105 (ClassC) |
| 2021-07-21 | 52.84.22.72 (ClassC) |
| 2021-08-18 | 13.226.29.5 (ClassC) |
| 2024-02-07 | 104.17.179.92 (ClassC) |
| 2024-05-02 | 104.17.180.92 (ClassC) |
| 2025-06-27 | 104.16.222.68 (ClassC) |
| 2025-08-06 | 104.16.219.68 (ClassC) |
| Date | Domain | IP |
| oldrelease.recruit-holdings.co.jp | 2025-06-13 | 104.16.219.68 |
| 60th.recruit-holdings.co.jp | 2024-02-18 | 104.17.180.92 |
| www.recruit-holdings.co.jp | 2025-06-28 | 104.16.222.68 |