详细英文注册信息如下：
Domain Name: jamcs.cn ROID: 20230307s10001s51497289-cn Domain Status: serverUpdateProhibited Domain Status: serverTransferProhibited Domain Status: serverHold Registrant: 张剑颖 Registrant Contact Email: cengx1573@gmail.com Sponsoring Registrar: 四川域趣网络科技有限公司 Name Server: jm1.dns.com Name Server: jm2.dns.com Registration Time: 2023-03-07 04:04:09 Expiration Time: 2025-03-07 04:04:09 DNSSEC: unsigned