详细英文注册信息如下：
Domain Name: bookf.cn ROID: 20210930s10001s40422885-cn Domain Status: clientTransferProhibited Registrant: 杨梅英 Registrant Contact Email: bai33444@126.com Sponsoring Registrar: 上海福虎信息科技有限公司 Name Server: ns1.4.cn Name Server: ns2.4.cn Registration Time: 2021-09-30 04:02:32 Expiration Time: 2025-09-30 04:02:32 DNSSEC: unsigned