详细英文注册信息如下：
Domain Name: pingdun.cn ROID: 20230718s10001s53345340-cn Domain Status: clientTransferProhibited Registrant: 罗琨 Registrant Contact Email: luokun@yeah.net Sponsoring Registrar: 浙江贰贰网络有限公司 Name Server: ns2.22.cn Name Server: ns1.22.cn Registration Time: 2023-07-18 04:12:21 Expiration Time: 2025-07-18 04:12:21 DNSSEC: unsigned