详细英文注册信息如下：
Domain Name: kukan.com.cn ROID: 20240828s10011s98457827-cn Domain Status: ok Registrant: 于树红 Registrant Contact Email: bnknbjkl88@outlook.com Sponsoring Registrar: 阿里云计算有限公司（万网） Name Server: now2.dns.com Name Server: now1.dns.com Registration Time: 2024-08-28 09:00:48 Expiration Time: 2025-08-28 09:00:48 DNSSEC: unsigned