详细英文注册信息如下：
Domain Name: 4kv.cn ROID: 20220221s10001s46744123-cn Domain Status: clientHold Registrant: 张霞 Registrant Contact Email: huanwei5719@outlook.com Sponsoring Registrar: 广州名扬信息科技有限公司 Name Server: ns1.dns.com Name Server: ns2.dns.com Registration Time: 2022-02-21 04:02:37 Expiration Time: 2025-02-21 04:02:37 DNSSEC: unsigned