| Property | Value |
| Name | CONCAVE inc. |
| Organization | CONCAVE inc. |
| system@concave.jp | |
| Zip Code | 162-0806 |
| Phone | 03-5225-3125 |
| NameServer | ns1.i2ts.ne.jp |
| Created | 2007-02-20 00:00:00 |
| Changed | 2016-02-29 16:05:18 |
| Expires | 2017-02-28 00:00:00 |
| Date | IP Address |
| 2013-12-11 | 210.146.188.180 (ClassC) |
| 2024-10-19 | 104.21.41.144 (ClassC) |
| 2025-01-02 | 172.67.191.56 (ClassC) |
| Date | Domain | IP |
| www.affit.jp | 2024-09-30 | 104.21.41.144 |