Domain Name: letsencrypt.cn ROID: 20210113s10001s34030883-cn Domain Status: clientTransferProhibited Registrant: 上海真凭网络科技中心 Registrant Contact Email: domreg@freessl.cn Sponsoring Registrar: 厦门易名科技股份有限公司 Name Server: ns4.dns.com Name Server: ns3.dns.com Registration Time: 2021-01-13 04:07:59 Expiration Time: 2027-01-13 04:07:59 DNSSEC: unsigned