详细英文注册信息如下：
Domain Name: rtar.cn ROID: 20140516s10001s71394380-cn Domain Status: clientTransferProhibited Registrant: 北京中业网网络科技有限公司 Registrant Contact Email: 43492262@qq.com Sponsoring Registrar: 厦门易名科技股份有限公司 Name Server: ns4.dns.com Name Server: ns3.dns.com Registration Time: 2014-05-16 04:06:17 Expiration Time: 2025-05-16 04:06:17 DNSSEC: unsigned