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@hexthersync32

host

1. Definition

Section titled “1. Definition”

A simple utility for performing forward and reverse DNS lookups.

2. Example Usage

Section titled “2. Example Usage”

2.1. Main Usage:

Section titled “2.1. Main Usage:”
Terminal window
host linkedin.com

Result:

Terminal window
    linkedin.com has address 150.171.22.12
    linkedin.com has IPv6 address 2620:1ec:50::12
    linkedin.com mail is handled by 10 mail-c.linkedin.com.
    linkedin.com mail is handled by 20 mail.linkedin.com.
    linkedin.com mail is handled by 10 mail-a.linkedin.com.
    linkedin.com mail is handled by 10 mail-d.linkedin.com.

2.2. Reverse Lookup for IP:

Section titled “2.2. Reverse Lookup for IP:”
Terminal window
host 8.8.8.8

Result:

Terminal window
    8.8.8.8.in-addr.arpa domain name pointer dns.google.

2.2. Name Server Records:

Section titled “2.2. Name Server Records:”
Terminal window
host -t NS wikipedia.org

Result:

Terminal window
    wikipedia.org name server ns2.wikimedia.org.
    wikipedia.org name server ns1.wikimedia.org.
    wikipedia.org name server ns0.wikimedia.org.