详细英文注册信息如下：
Domain Name: 51-pk.cn ROID: 20240821s10001s59623486-cn Domain Status: ok Registrant: 王之松 Registrant Contact Email: longming7888@gmail.com Sponsoring Registrar: 海南美洁达科技有限公司 Name Server: elisa.ns.cloudflare.com Name Server: max.ns.cloudflare.com Registration Time: 2024-08-21 04:08:06 Expiration Time: 2025-08-21 04:08:06 DNSSEC: unsigned