详细英文注册信息如下：
Domain Name: jiudu.cn ROID: 20060607s10001s54380974-cn Domain Status: clientTransferProhibited Registrant: 赵凯 Registrant Contact Email: admin@jiudu.cn 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: 2006-06-07 04:30:46 Expiration Time: 2025-06-07 04:30:46 DNSSEC: unsigned