详细英文注册信息如下：
Domain Name: langdui.cn ROID: 20231109s10001s54906028-cn Domain Status: ok Registrant: 张万鑫 Registrant Contact Email: xiaoyan202311@163.com Sponsoring Registrar: 北京资海科技有限责任公司 Name Server: wells.ns.cloudflare.com Name Server: desi.ns.cloudflare.com Registration Time: 2023-11-09 04:04:36 Expiration Time: 2025-11-09 04:04:36 DNSSEC: unsigned