| Property | Value |
| Name | Takehiro Yamazaki |
| Organization | Zenken Corporation |
| yamazaki@stepup.co.jp | |
| Zip Code | 160-0023 |
| City | Shinjuku-ku |
| State | Tokyo |
| Country | JP |
| Phone | +81.353242581 |
| Fax | +81.353242660 |
| NameServer | 02.dnsv.jp |
| Created | 2001-09-17 00:00:00 |
| Changed | 2016-06-14 00:00:00 |
| Expires | 2017-09-17 00:00:00 |
| Registrar | GMO INTERNET, INC. D |
| Date | IP Address |
| 2014-02-12 | 61.58.35.114 (ClassC) |
| 2019-09-29 | 180.222.186.112 (ClassC) |
| 2025-01-06 | 162.43.116.83 (ClassC) |