Domain Name: coefficient.cn ROID: 20210610s10001s36567856-cn Domain Status: ok Registrant: 洪文朴 Registrant Contact Email: buydomain@xmkk.com Sponsoring Registrar: 阿里云计算有限公司（万网） Name Server: ns4.afternic.com Name Server: ns3.afternic.com Registration Time: 2021-06-10 04:02:40 Expiration Time: 2025-06-10 04:02:40 DNSSEC: unsigned