详细英文注册信息如下：
Domain Name: piana.cn ROID: 20240722s10001s59128268-cn Domain Status: ok Registrant: 刘芙蓉 Registrant Contact Email: xczcsd6gvd@outlook.com Sponsoring Registrar: 阿里云计算有限公司（万网） Name Server: now2.dns.com Name Server: now1.dns.com Registration Time: 2024-07-22 08:16:13 Expiration Time: 2025-07-22 08:16:13 DNSSEC: unsigned