详细英文注册信息如下：
Domain Name: citcn.cn ROID: 20231025s10001s54805980-cn Domain Status: clientUpdateProhibited Domain Status: clientHold Registrant: 许壮 Registrant Contact Email: qf199299@gmail.com Sponsoring Registrar: 厦门三五互联信息有限公司 Name Server: jm1.dns.com Name Server: jm2.dns.com Registration Time: 2023-10-25 04:08:06 Expiration Time: 2025-10-25 04:08:06 DNSSEC: unsigned