Domain Name: os21.cn ROID: 20250329s10001s65097386-cn Domain Status: serverUpdateProhibited Domain Status: serverTransferProhibited Domain Status: serverHold Registrant: 于纪泽 Registrant Contact Email: ioz7sz@sina.com Sponsoring Registrar: 阿里云计算有限公司(万网) Name Server: ns1.judns.com Name Server: ns2.judns.com Registration Time: 2025-03-29 22:36:15 Expiration Time: 2026-03-29 22:36:15 DNSSEC: unsigned