iP or domain name lookup

[Querying whois.cnnic.cn]

[whois.cnnic.cn]

Domain Name: class.cn

ROID: 20030312s10001s00045584-cn

Domain Status: ok

Registrant ID: haokeyouxue

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: 2018-03-17 12:48:36

DNSSEC: unsigned