详细英文注册信息如下：
Domain Name: painin.cn ROID: 20240728s10001s59227808-cn Domain Status: ok Registrant: 匡怀 Registrant Contact Email: d015qr9@outlook.com Sponsoring Registrar: 北京新网数码信息技术有限公司 Name Server: dm2.dns.com Name Server: dm1.dns.com Registration Time: 2024-07-28 21:37:52 Expiration Time: 2025-07-28 21:37:52 DNSSEC: unsigned