Domain Name: chinatoptech.cn ROID: 20151019s10001s77620943-cn Domain Status: ok Registrant: 北京中科顶峰科技有限公司 Registrant Contact Email: zhiguo_ma@qq.com Sponsoring Registrar: 阿里云计算有限公司（万网） Name Server: dns9.hichina.com Name Server: dns10.hichina.com Registration Time: 2015-10-19 22:43:18 Expiration Time: 2025-10-19 22:43:18 DNSSEC: unsigned