| Date | IP Address |
| 2020-04-01 | 99.84.168.23 (ClassC) |
| 2020-04-01 | 99.84.168.30 (ClassC) |
| 2020-04-01 | 99.84.168.95 (ClassC) |
| 2020-12-06 | 13.249.134.128 (ClassC) |
| 2020-12-06 | 13.249.134.19 (ClassC) |
| 2020-12-06 | 13.249.134.80 (ClassC) |
| 2021-08-21 | 13.249.135.38 (ClassC) |
| 2021-10-16 | 13.249.137.13 (ClassC) |
| 2024-02-18 | 104.17.180.92 (ClassC) |
| 2024-04-01 | 104.17.179.92 (ClassC) |
| 2025-07-31 | 104.16.222.68 (ClassC) |
| 2025-08-25 | 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 |