Domain Name: class.cn
ROID: 20030312s10001s00045584-cn
Domain Status: ok
Registrant: 北京好课优学科技有限公司
Registrant Contact Email: 2386373@qq.com
Sponsoring Registrar: 赛尔网络有限公司
Name Server: dns1.resource.edu.cn
Name Server: dns2.resource.edu.cn
Registration Time: 2003-03-17 12:20:05
Expiration Time: 2027-03-17 12:48:36
DNSSEC: unsigned