详细英文注册信息如下：
Domain Name: mydb.cn ROID: 20120918s10001s55499411-cn Domain Status: clientDeleteProhibited Registrant: 杨爽 Registrant Contact Email: tencnnt@qq.com Sponsoring Registrar: 阿里云计算有限公司（万网） Name Server: dns1.hichina.com Name Server: dns2.hichina.com Registration Time: 2012-09-18 04:01:46 Expiration Time: 2025-09-18 04:01:46 DNSSEC: unsigned