详细英文注册信息如下：
Domain Name: kengkan.cn ROID: 20230919s10001s54194613-cn Domain Status: ok Registrant: 陈剑雄 Registrant Contact Email: chenjianxiong716@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: 2023-09-19 09:49:26 Expiration Time: 2025-09-19 09:49:26 DNSSEC: unsigned