Domain Name: openbookdata.com.cn ROID: 20050726s10011s17120689-cn Domain Status: ok Registrant: 北京开卷信息技术有限公司 Registrant Contact Email: lingn@openbook.com.cn 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: 2005-07-26 09:33:10 Expiration Time: 2028-07-26 09:33:10 DNSSEC: unsigned
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Last modified : 2023-09-13 14:17:20