Editing Dig

= dig =

'''dig''' (Domain Information Groper) is a powerful command-line DNS lookup tool used to query DNS name servers and retrieve resource records.  
It is commonly used in reconnaissance to resolve hostnames, enumerate DNS records, test custom name servers, and analyze DNS responses in detail.

== <span id="options"></span>Common Options ==

=== Basic Queries ===
{| class="wikitable"
! Option !! Description
|-
| [[#ex-a|<code>A</code>]] || Query IPv4 address record
|-
| [[#ex-aaaa|<code>AAAA</code>]] || Query IPv6 address record
|-
| [[#ex-mx|<code>MX</code>]] || Query mail exchange record
|-
| [[#ex-ns|<code>NS</code>]] || Query authoritative name servers
|-
| [[#ex-cname|<code>CNAME</code>]] || Query canonical name record (alias)
|-
| [[#ex-soa|<code>SOA</code>]] || Query start of authority record
|-
| [[#ex-txt|<code>TXT</code>]] || Query text records (commonly used for SPF, DKIM, etc.)
|}

=== Query Control ===
{| class="wikitable"
! Option !! Description
|-
| [[#ex-@|<code>@[SERVER]</code>]] || Specify DNS server to query
|-
| [[#ex-short|<code>+short</code>]] || Return simplified output (good for scripts)
|-
| [[#ex-noall|<code>+noall</code>]] || Suppress all sections of the output
|-
| [[#ex-answer|<code>+answer</code>]] || Show only the answer section
|-
| [[#ex-timeout|<code>+timeout=[SEC]</code>]] || Set query timeout in seconds
|-
| [[#ex-retries|<code>+tries=[NUM]</code>]] || Set number of query attempts
|-
| [[#ex-tcp|<code>+tcp</code>]] || Use TCP instead of UDP for the query
|-
| [[#ex-nocomments|<code>+nocomments</code>]] || Omit comments from output
|}

== Examples ==

=== <span id="ex-a"></span>Query A Record ===
<syntaxhighlight lang="bash">
dig A example.com
</syntaxhighlight>
''[[#options|↑ Options]]''

=== <span id="ex-aaaa"></span>Query AAAA Record ===
<syntaxhighlight lang="bash">
dig AAAA example.com
</syntaxhighlight>
''[[#options|↑ Options]]''

=== <span id="ex-mx"></span>Query MX Records ===
<syntaxhighlight lang="bash">
dig MX example.com
</syntaxhighlight>
''[[#options|↑ Options]]''

=== <span id="ex-ns"></span>Query Name Servers ===
<syntaxhighlight lang="bash">
dig NS example.com
</syntaxhighlight>
''[[#options|↑ Options]]''

=== <span id="ex-cname"></span>Query CNAME Record ===
<syntaxhighlight lang="bash">
dig CNAME www.example.com
</syntaxhighlight>
''[[#options|↑ Options]]''

=== <span id="ex-soa"></span>Query SOA Record ===
<syntaxhighlight lang="bash">
dig SOA example.com
</syntaxhighlight>
''[[#options|↑ Options]]''

=== <span id="ex-txt"></span>Query TXT Records ===
<syntaxhighlight lang="bash">
dig TXT example.com
</syntaxhighlight>
''[[#options|↑ Options]]''

=== <span id="ex-@"></span>Use Specific DNS Server ===
<syntaxhighlight lang="bash">
dig @8.8.8.8 A example.com
</syntaxhighlight>
''[[#options|↑ Options]]''

=== <span id="ex-short"></span>Simplified Output ===
<syntaxhighlight lang="bash">
dig +short A example.com
</syntaxhighlight>
''[[#options|↑ Options]]''

=== <span id="ex-noall"></span>Show Only Answer Section ===
<syntaxhighlight lang="bash">
dig +noall +answer A example.com
</syntaxhighlight>
''[[#options|↑ Options]]''

=== <span id="ex-timeout"></span>Set Timeout ===
<syntaxhighlight lang="bash">
dig +timeout=2 A example.com
</syntaxhighlight>
''[[#options|↑ Options]]''

=== <span id="ex-retries"></span>Set Number of Retries ===
<syntaxhighlight lang="bash">
dig +tries=1 A example.com
</syntaxhighlight>
''[[#options|↑ Options]]''

=== <span id="ex-tcp"></span>Force TCP Query ===
<syntaxhighlight lang="bash">
dig +tcp A example.com
</syntaxhighlight>
''[[#options|↑ Options]]''

== See Also ==
* [[dnsenum]]
* [[host]]
* [[whois]]
* [[nmap]]