详细英文注册信息如下：
Domain Name: tongan.com.cn ROID: 20050620s10011s14407635-cn Domain Status: ok Registrant: 左宏宇 Registrant Contact Email: 3710373@qq.com Sponsoring Registrar: 阿里云计算有限公司（万网） Name Server: dns80.dnbiz.com Name Server: dns81.dnbiz.com Registration Time: 2005-06-20 15:02:46 Expiration Time: 2025-06-20 15:02:46 DNSSEC: unsigned