All Posts programming kdig: Advanced DNS lookup utility

kdig: Advanced DNS lookup utility

· 148 words · 1 minute read

kdig is a command-line program. It is Advanced DNS lookup utility.

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

kdig example.com

Specify a specific DNS server to query (e.g. Google DNS):

kdig example.com @8.8.8.8

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

kdig example.com A|AAAA|NS|SOA|DNSKEY|ANY

Lookup the IP(s) associated with a hostname (A records) using DNS over TLS (DoT):

kdig -d @8.8.8.8 +tls-ca +tls-host=dns.google example.com

Lookup the IP(s) associated with a hostname (A records) using DNS over HTTPS (DoH):

kdig -d @1.1.1.1 +https +tls-hostname=1dot1dot1dot1.cloudflare-dns.com example.com

More information: https://www.knot-dns.cz/docs/latest/html/man_kdig.html .

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