详细英文注册信息如下：
Domain Name: ydkd.cn ROID: 20220102s10001s46151441-cn Domain Status: ok Registrant: 宋建龙 Registrant Contact Email: 188158915@qq.com Sponsoring Registrar: 郑州世纪创联电子科技开发有限公司 Name Server: jm1.dns.com Name Server: jm2.dns.com Registration Time: 2022-01-02 04:14:52 Expiration Time: 2025-01-02 04:14:52 DNSSEC: unsigned