详细英文注册信息如下：
Domain Name: cankao.cn ROID: 20200224s10001s26204546-cn Domain Status: ok Registrant: 余先成 Registrant Contact Email: hmj8888@126.com Sponsoring Registrar: 浙江贰贰网络有限公司 Name Server: pk3.22.cn Name Server: pk4.22.cn Registration Time: 2020-02-24 20:16:57 Expiration Time: 2025-02-24 20:16:57 DNSSEC: unsigned