详细英文注册信息如下：
Domain Name: dadun.com.cn ROID: 20240121s10011s97682069-cn Domain Status: ok Registrant: 刘锐晖 Registrant Contact Email: 86397507@qq.com Sponsoring Registrar: 杭州爱名网络有限公司 Name Server: pk3.22.cn Name Server: pk4.22.cn Registration Time: 2024-01-21 15:39:36 Expiration Time: 2025-01-21 15:39:36 DNSSEC: unsigned