详细英文注册信息如下：
Domain Name: 4449.cn ROID: 20051116s10001s41782466-cn Domain Status: ok Registrant: 陈丽虹 Registrant Contact Email: 1209120283@qq.com Sponsoring Registrar: 阿里云计算有限公司（万网） Name Server: jm1.dns.com Name Server: jm2.dns.com Registration Time: 2005-11-16 06:41:29 Expiration Time: 2030-11-16 06:41:29 DNSSEC: unsigned