详细英文注册信息如下：
Domain Name: sunfeng.com.cn ROID: 20240907s10011s98548364-cn Domain Status: ok Registrant: 刘难难 Registrant Contact Email: chen48586878@gmail.com Sponsoring Registrar: 天津追日科技发展有限公司 Name Server: izabella.ns.cloudflare.com Name Server: terin.ns.cloudflare.com Registration Time: 2024-09-07 04:06:22 Expiration Time: 2025-09-07 04:06:22 DNSSEC: unsigned