详细英文注册信息如下：
Domain Name: duisuan.cn ROID: 20230906s10001s53924855-cn Domain Status: ok Registrant: 于晓谦 Registrant Contact Email: extra999@myyahoo.com Sponsoring Registrar: 上海有孚网络股份有限公司 Name Server: jacob.ns.cloudflare.com Name Server: courtney.ns.cloudflare.com Registration Time: 2023-09-06 04:03:50 Expiration Time: 2025-09-06 04:03:50 DNSSEC: unsigned