Domain Name: openbook.com.cn ROID: 20021209s10011s00112625-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: 2002-03-06 00:00:00 Expiration Time: 2027-03-06 00:00:00 DNSSEC: unsigned
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Last modified : 2023-10-07 04:53:51