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: navicat.com.cn
ROID: 20050207s10011s06356728-cn
Domain Status: ok
Registrant: PremiumSoft CyberTech Limited
Registrant Contact Email: info@prect.com
Sponsoring Registrar: Web Commerce Communications Limited
Name Server: nadia.ns.cloudflare.com
Name Server: lou.ns.cloudflare.com
Registration Time: 2005-02-07 18:24:28
Expiration Time: 2030-02-07 18:24:28
DNSSEC: unsigned