详细英文注册信息如下：
Domain Name: yudang.cn ROID: 20221211s10001s50275982-cn Domain Status: clientTransferProhibited Registrant: 谭理 Registrant Contact Email: www@caomu.com Sponsoring Registrar: 浙江贰贰网络有限公司 Name Server: dns4.hichina.com Name Server: dns3.hichina.com Registration Time: 2022-12-11 04:07:15 Expiration Time: 2025-12-11 04:07:15 DNSSEC: unsigned