详细英文注册信息如下：
Domain Name: pdfh.cn ROID: 20230318s10001s51646430-cn Domain Status: ok Registrant: 韩艳红 Registrant Contact Email: hhzqgw@gmail.com Sponsoring Registrar: 中企动力科技股份有限公司 Name Server: jm1.dns.com Name Server: jm2.dns.com Registration Time: 2023-03-18 04:04:18 Expiration Time: 2025-03-18 04:04:18 DNSSEC: unsigned