详细英文注册信息如下：
Domain Name: iumy.cn ROID: 20231230s10001s55785897-cn Domain Status: clientHold Registrant: 蔡文涛 Registrant Contact Email: m6a6734s8@21cn.com Sponsoring Registrar: 厦门三五互联信息有限公司 Name Server: dm2.dns.com Name Server: dm1.dns.com Registration Time: 2023-12-30 04:03:25 Expiration Time: 2025-12-30 04:03:25 DNSSEC: unsigned