tldr/pages/common/dig.md

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}}