cheat.sheets:dig
# dig
# Query DNS servers for information about host addresses and other DNS records.
# Basic A record lookup
dig example.com
# Query specific DNS record type (e.g., MX for mail exchange)
dig example.com MX
# Specify DNS server to use for the query
dig @8.8.8.8 example.com
# Get both IPv4 A and IPv6 AAAA records
dig example.com A
dig example.com AAAA
# Display only the answer section of the query
dig +noquestion +noauthority +noadditional +noanswer example.com
# Perform a reverse DNS lookup for an IP address
dig -x 192.0.2.1
# Use verbose output to display entire response
dig +noall +answer +comment example.com
# Query whois information using dig
dig +short txt whois.example.com
# Query DNS for specific port using SRV record
dig _sip._tcp.example.com SRV
# Conduct a trace from root to authoritative DNS server
dig +trace example.com
# Measure and display query time
dig example.com +stats
# Get list of name servers for a domain
dig example.com NS
tldr:dig
# dig
# DNS lookup utility.
# More information: <https://manned.org/dig>.
# 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
$
cheat.sh