详细英文注册信息如下：
Domain Name: yanfan.com.cn ROID: 20240426s10011s97848732-cn Domain Status: ok Registrant: 覃东乾 Registrant Contact Email: 726933@qq.com Sponsoring Registrar: 海南美洁达科技有限公司 Name Server: leah.ns.cloudflare.com Name Server: mark.ns.cloudflare.com Registration Time: 2024-04-26 04:04:34 Expiration Time: 2025-04-26 04:04:34 DNSSEC: unsigned