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Whois详细查询结果:
Domain Name: os4.cn ROID: 20131014s10001s66368474-cn Domain Status: ok Registrant: 于瑞堂 Registrant Contact Email: yuruitang@163.com Sponsoring Registrar: 阿里云计算有限公司（万网） Name Server: dns19.hichina.com Name Server: dns20.hichina.com Registration Time: 2013-10-14 15:33:51 Expiration Time: 2025-10-14 15:33:51 DNSSEC: unsigned
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