详细英文注册信息如下：
Domain Name: 81717.cn ROID: 20120508s10001s58991853-cn Domain Status: ok Registrant: 余明杰 Registrant Contact Email: work@marksmile.com Sponsoring Registrar: 阿里云计算有限公司（万网） Name Server: buy.domains.go.marksmile.com Name Server: emailto.service.at.marksmile.com Registration Time: 2012-05-08 18:18:14 Expiration Time: 2025-05-08 18:18:14 DNSSEC: unsigned