Domain Name: ds4.cn ROID: 20051115s10001s41747197-cn Domain Status: ok Registrant: 开天创新数码科技（北京）有限公司 Registrant Contact Email: hotnow@sina.com Sponsoring Registrar: 北京新网数码信息技术有限公司 Name Server: dns8.expirenotification.com Name Server: dns7.expirenotification.com Registration Time: 2005-11-15 01:51:35 Expiration Time: 2025-11-15 01:51:35 DNSSEC: unsigned