详细英文注册信息如下：
Domain Name: idown.com.cn ROID: 20240708s10011s98107475-cn Domain Status: clientTransferProhibited Registrant: 周子琪 Registrant Contact Email: wuapp8168@gmail.com Sponsoring Registrar: 上海福虎信息科技有限公司 Name Server: dm2.dns.com Name Server: dm1.dns.com Registration Time: 2024-07-08 04:23:17 Expiration Time: 2025-07-08 04:23:17 DNSSEC: unsigned