详细英文注册信息如下：
Domain Name: rcuk.cn ROID: 20241017s10001s61571410-cn Domain Status: clientTransferProhibited Registrant: 郑宇 Registrant Contact Email: privacyprotectionabuse@gmail.com Sponsoring Registrar: 厦门易名科技股份有限公司 Name Server: dm2.dns.com Name Server: dm1.dns.com Registration Time: 2024-10-17 04:06:13 Expiration Time: 2025-10-17 04:06:13 DNSSEC: unsigned