详细英文注册信息如下：
Domain Name: sf409.cn ROID: 20240911s10001s60361351-cn Domain Status: ok Registrant: 黄珍 Registrant Contact Email: yirenwang668@163.com Sponsoring Registrar: 中企动力科技股份有限公司 Name Server: now2.dns.com Name Server: now1.dns.com Registration Time: 2024-09-11 02:25:28 Expiration Time: 2025-09-11 02:25:28 DNSSEC: unsigned