| Property | Value |
| Country | Japan |
| Domain | Date |
| dhc.co.jp | 2026-02-11 |
| www.edu.dhc.co.jp | 2025-08-14 |
| healthbeauty.dhc.co.jp | 2025-07-02 |
| site.dhc.co.jp | 2024-07-02 |
| idenshi.dhc.co.jp | 2023-10-12 |
| olive.dhc.co.jp | 2023-09-14 |
| pslab-web.dhc.co.jp | 2023-08-14 |
| bairi.net | 2023-07-30 |
| www.bairi.net | 2023-07-30 |
| f1cv.dhc.co.jp | 2023-06-30 |
| www2.edu.dhc.co.jp | 2023-06-30 |
| s.yasecom.dhc.co.jp | 2023-06-19 |
| afiriate.dhc.co.jp | 2023-05-24 |
| olivechannel.jp | 2023-05-18 |