详细英文注册信息如下：
Domain Name: ryan.cn ROID: 20030819s10001s00875404-cn Domain Status: clientTransferProhibited Registrant: 刘国栋 Registrant Contact Email: 35742093@qq.com Sponsoring Registrar: 厦门易名科技股份有限公司 Name Server: ns4.dns.com Name Server: ns3.dns.com Registration Time: 2003-08-19 10:08:36 Expiration Time: 2025-08-19 10:08:36 DNSSEC: unsigned