详细英文注册信息如下：
Domain Name: grqc.cn ROID: 20240903s10001s60090902-cn Domain Status: ok Registrant: 刘难难 Registrant Contact Email: chen48586878@gmail.com Sponsoring Registrar: 成都垦派科技有限公司 Name Server: izabella.ns.cloudflare.com Name Server: terin.ns.cloudflare.com Registration Time: 2024-09-03 04:05:47 Expiration Time: 2025-09-03 04:05:47 DNSSEC: unsigned