| Property | Value |
| web-yc@21cn.com | |
| NameServer | NS4.01ISP.NET |
| Created | 2013-02-25 00:00:00 |
| Changed | 2016-01-21 00:00:00 |
| Expires | 2017-02-25 00:00:00 |
| Registrar | TODAYNIC.COM, INC. |
| Date | IP Address |
| 2024-05-10 | 206.119.87.32 (ClassC) |
| 2024-08-30 | 3.64.163.50 (ClassC) |
| 2024-09-19 | 13.248.252.114 (ClassC) |
| 2024-11-07 | 3.1.92.7 (ClassC) |
| 2025-08-22 | 104.21.40.44 (ClassC) |
| 2026-01-08 | 172.67.175.94 (ClassC) |