host

Lookup Domain Name Server. More information: https://manned.org/host.

• Lookup A, AAAA, and MX records of a domain:

host domain

• Lookup a field (CNAME, TXT,…) of a domain:

host -t field domain

• Reverse lookup an IP:

host ip_address

• Specify an alternate DNS server to query:

host domain 8.8.8.8