详细英文注册信息如下：
Domain Name: 4r2.cn ROID: 20140617s10001s71603875-cn Domain Status: clientTransferProhibited Registrant: 石家庄展为网络有限公司 Registrant Contact Email: 946456311@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: 2014-06-17 13:11:07 Expiration Time: 2025-06-17 13:11:07 DNSSEC: unsigned