详细英文注册信息如下：
Domain Name: cenken.com.cn ROID: 20240903s10011s98538485-cn Domain Status: ok Registrant: 刘难难 Registrant Contact Email: chen48586878@gmail.com Sponsoring Registrar: 北京网尊科技有限公司 Name Server: izabella.ns.cloudflare.com Name Server: terin.ns.cloudflare.com Registration Time: 2024-09-03 13:33:24 Expiration Time: 2025-09-03 13:33:24 DNSSEC: unsigned