详细英文注册信息如下：
Domain Name: a2649.cn ROID: 20240729s10001s59241747-cn Domain Status: ok Registrant: 姜有霖 Registrant Contact Email: dsfsfsquu@outlook.com Sponsoring Registrar: 阿里云计算有限公司（万网） Name Server: now2.dns.com Name Server: now1.dns.com Registration Time: 2024-07-29 10:29:33 Expiration Time: 2025-07-29 10:29:33 DNSSEC: unsigned