WHOIS 查询：域名注册信息、DNS 服务器、解析记录、IP 地址等，想查就查！

Domain Name: jointoffice.cn
ROID: 20120421s10001s55021644-cn
Domain Status: clientTransferProhibited
Registrant: 张剑
Registrant Contact Email: ryurinza1@gmail.com
Sponsoring Registrar: Web Commerce Communications Limited
Name Server: a1.share-dns.com
Name Server: b1.share-dns.net
Registration Time: 2012-04-21 01:03:11
Expiration Time: 2027-04-21 01:03:11
DNSSEC: unsigned