| Property | Value |
| Name | Digital Knowledge Co.,Ltd |
| Organization | Digital Knowledge Co.,Ltd |
| server-admin@d-k.jp | |
| Zip Code | 110-0005 |
| Phone | 03-5846-2131 |
| Fax | 03-5846-2132 |
| NameServer | ns02.pitserv.jp |
| Created | 2001-05-17 00:00:00 |
| Changed | 2019-05-31 19:52:02 |
| Expires | 2020-05-31 00:00:00 |
| Date | IP Address |
| 2018-05-08 | 23.72.137.40 (ClassC) |
| 2018-05-08 | 23.72.137.49 (ClassC) |
| 2018-06-28 | 65.152.202.195 (ClassC) |
| 2018-06-28 | 23.62.6.161 (ClassC) |
| 2018-08-11 | 205.177.69.51 (ClassC) |
| 2018-11-19 | 23.218.157.207 (ClassC) |
| 2019-03-01 | 23.223.148.49 (ClassC) |
| 2019-08-08 | 23.63.78.193 (ClassC) |
| 2020-01-15 | 23.35.68.51 (ClassC) |
| 2020-01-15 | 23.35.68.90 (ClassC) |
| 2025-01-14 | 23.215.176.162 (ClassC) |
| 2025-04-25 | 23.40.41.55 (ClassC) |
| 2025-05-07 | 23.215.176.147 (ClassC) |
| 2025-05-23 | 23.44.205.227 (ClassC) |
| 2025-07-18 | 23.219.78.79 (ClassC) |
| 2025-11-16 | 23.40.41.22 (ClassC) |
| 2026-01-06 | 23.40.41.24 (ClassC) |