详细英文注册信息如下：
Domain Name: doubt.cn ROID: 20080308s10001s24608902-cn Domain Status: clientDeleteProhibited Domain Status: clientTransferProhibited Registrant: 张琳 Registrant Contact Email: 860571@sohu.com Sponsoring Registrar: 北京光速连通科贸有限公司 Name Server: dns1.66.cn Name Server: dns2.66.cn Registration Time: 2008-03-08 04:19:24 Expiration Time: 2025-03-08 04:19:24 DNSSEC: unsigned