详细英文注册信息如下：
Domain Name: iok.cn ROID: 20030522s10001s00830598-cn Domain Status: clientTransferProhibited Registrant: 许杰 Registrant Contact Email: xujie18@foxmail.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: 2003-05-22 15:37:56 Expiration Time: 2025-06-22 15:37:56 DNSSEC: unsigned