| Property | Value |
| web-yc@21cn.com | |
| NameServer | NS4.01ISP.NET |
| Created | 2013-02-01 00:00:00 |
| Changed | 2016-01-27 00:00:00 |
| Expires | 2017-02-01 00:00:00 |
| Registrar | TODAYNIC.COM, INC. |
| Date | IP Address |
| 2024-02-16 | 45.199.110.165 (ClassC) |
| 2024-09-12 | 172.67.147.45 (ClassC) |
| 2025-03-05 | 38.63.148.53 (ClassC) |
| 2025-08-13 | 140.188.132.55 (ClassC) |