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dig

DNS Lookup utility. More information: https://manpages.debian.org/dnsutils/dig.1.html.

  • Lookup the IP(s) associated with a hostname (A records):

dig +short {{example.com}}

  • Get a detailed answer for a given domain (A records):

dig +noall +answer {{example.com}}

  • Query a specific DNS record type associated with a given domain name:

dig +short {{example.com}} {{A|MX|TXT|CNAME|NS}}

  • Get all types of records for a given domain name:

dig {{example.com}} ANY

  • Specify an alternate DNS server to query:

dig @{{8.8.8.8}} {{example.com}}

  • Perform a reverse DNS lookup on an IP address (PTR record):

dig -x {{8.8.8.8}}

  • Find authoritative name servers for the zone and display SOA records:

dig +nssearch {{example.com}}

  • Perform iterative queries and display the entire trace path to resolve a domain name:

dig +trace {{example.com}}