Domain Name: udn.cn ROID: 20050709s10001s21768707-cn Domain Status: ok Registrant: 郑潇 Registrant Contact Email: foname@163.com Sponsoring Registrar: 阿里云计算有限公司(万网) Name Server: ns1.4.cn Name Server: ns2.4.cn Registration Time: 2005-07-09 04:36:21 Expiration Time: 2025-07-09 04:36:21 DNSSEC: unsigned