Domain Name: yifan.cn ROID: 20230604s10001s52803433-cn Domain Status: clientDeleteProhibited Registrant: 周炜 Registrant Contact Email: bai15199@126.com Sponsoring Registrar: 阿里云计算有限公司（万网） Name Server: ns1.4.cn Name Server: ns2.4.cn Registration Time: 2023-06-04 17:42:31 Expiration Time: 2025-06-04 17:42:31 DNSSEC: unsigned