详细英文注册信息如下：
Domain Name: jack.cn ROID: 20110907s10001s83771255-cn Domain Status: clientTransferProhibited Registrant: 北京艾迪泰克技术咨询有限公司 Registrant Contact Email: cnnicf@163.com Sponsoring Registrar: 厦门易名科技股份有限公司 Name Server: cns1.zdnscloud.net Name Server: dns1.zdnscloud.info Registration Time: 2011-09-07 04:03:03 Expiration Time: 2025-09-07 04:03:03 DNSSEC: unsigned