详细英文注册信息如下：
Domain Name: 021.com.cn ROID: 20021209s10011s00064006-cn Domain Status: clientTransferProhibited Registrant: 笪贤安 Registrant Contact Email: ceo@xianan.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: 2001-09-22 00:00:00 Expiration Time: 2030-09-22 00:00:00 DNSSEC: unsigned