详细英文注册信息如下：
Domain Name: rudan.com.cn ROID: 20240612s10011s98008042-cn Domain Status: ok Registrant: 苏晓云 Registrant Contact Email: wangbaiyi8899@126.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: 2024-06-12 09:49:56 Expiration Time: 2025-06-12 09:49:56 DNSSEC: unsigned