详细英文注册信息如下：
Domain Name: r81.cn ROID: 20090618s10001s75912374-cn Domain Status: clientTransferProhibited Registrant: 李艳华 Registrant Contact Email: msfc528@foxmail.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: 2009-06-18 08:58:14 Expiration Time: 2025-06-18 08:58:14 DNSSEC: unsigned