dig - DNS lookup utility
dnsutils - Clients provided with BIND
安裝
shell> apt-get install dnsutils
shell> dig www.apple.com
shell> dig @8.8.8.8 www.apple.com
shell> dig +trace www.apple.com
shell> dig +trace A www.apple.com
shell> dig @8.8.8.8 +trace www.apple.com
shell> dig -x 8.8.8.8
shell> dig +short AAAA www.cloudflare.com
shell> dig +short myip.opendns.com @resolver1.opendns.com
shell> dig +short TXT yourdomain.com
shell> dig apple.com any
shell> dig @8.8.8.8 apple.com
shell> dig @8.8.8.8 -p 40 apple.com
shell> dig ANY yourdomain.com
shell> dig AXFR yourdomain.com @xfrout1.dynect.net
shell> dig +nocmd +multiline +noall +answer ANY yourdomain.com
ns1.google.com
ns2.google.com
ns3.google.com
ns4.google.com
example.net. TXT "v=spf1 mx a:pluto.example.net include:aspmx.googlemail.com -all"
https://dns.google.com/resolve?name=apple.com&type=ANY
參考網站：