| Property | Value |
| web-yc@21cn.com | |
| NameServer | NS4.01ISP.NET |
| Created | 2011-12-16 00:00:00 |
| Changed | 2015-12-18 00:00:00 |
| Expires | 2018-12-16 00:00:00 |
| Registrar | TODAYNIC.COM, INC. |
| Date | IP Address |
| 2024-03-07 | 163.197.201.85 (ClassC) |
| 2024-11-20 | 103.61.147.131 (ClassC) |
| 2025-01-02 | 172.65.190.172 (ClassC) |
| 2025-03-15 | 148.135.57.202 (ClassC) |
| 2025-04-21 | 45.205.59.176 (ClassC) |
| 2025-08-05 | 162.209.212.61 (ClassC) |
| 2025-08-13 | 148.135.97.100 (ClassC) |