详细英文注册信息如下：
Domain Name: tongtun.cn ROID: 20240131s10001s56057231-cn Domain Status: clientTransferProhibited Registrant: 程凯楹 Registrant Contact Email: chengsining2023@163.com Sponsoring Registrar: 北京新网数码信息技术有限公司 Name Server: wells.ns.cloudflare.com Name Server: desi.ns.cloudflare.com Registration Time: 2024-01-31 21:01:44 Expiration Time: 2025-01-31 21:01:44 DNSSEC: unsigned