nslookup

╰─➤  nslookup baidu.com
Server:		192.168.2.1
Address:	192.168.2.1#53

Non-authoritative answer:
Name:	baidu.com
Address: 110.242.68.66
Name:	baidu.com
Address: 39.156.66.10

查询IP

╰─➤  curl ipinfo.io/110.242.68.66
{
  "ip": "110.242.68.66",
  "city": "Shijiazhuang",
  "region": "Hebei",
  "country": "CN",
  "loc": "38.0414,114.4786",
  "org": "AS4837 CHINA UNICOM China169 Backbone",
  "timezone": "Asia/Shanghai",
  "readme": "https://ipinfo.io/missingauth"
}