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host

Lookup Domain Name Server.

  • 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}}