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: nilfisk.cn
ROID: 20030317s10001s00097151-cn
Domain Status: clientTransferProhibited
Registrant: Nilfisk A/S
Registrant Contact Email: webmaster.domain@nilfisk.com
Sponsoring Registrar: Key-Systems
Name Server: a.portsdns.se
Name Server: b.portsdns.net
Registration Time: 2003-03-17 13:00:04
Expiration Time: 2026-03-17 13:00:04
DNSSEC: unsigned