详细英文注册信息如下：
Domain Name: yk-steel.cn ROID: 20240903s10001s60090952-cn Domain Status: clientTransferProhibited Registrant: 刘难难 Registrant Contact Email: chen48586878@gmail.com Sponsoring Registrar: 上海福虎信息科技有限公司 Name Server: dm2.dns.com Name Server: dm1.dns.com Registration Time: 2024-09-03 04:05:47 Expiration Time: 2025-09-03 04:05:47 DNSSEC: unsigned