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[master] doc clarification about dig & resolv.conf

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This commit is contained in:
Evan Hunt
2013-01-10 11:48:46 -08:00
parent 4801931443
commit 3b9d9ad58b
1 changed files with 22 additions and 16 deletions
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38
bin/dig/dig.docbook
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@@ -117,9 +117,10 @@
<para>
Unless it is told to query a specific name server,
<command>dig</command> will try each of the servers listed
in
<filename>/etc/resolv.conf</filename>.
<command>dig</command> will try each of the servers listed in
<filename>/etc/resolv.conf</filename>. If no usable server addreses
are found, <command>dig</command> will send the query to the local
host.
</para>
<para>
@@ -158,20 +159,25 @@
<term><constant>server</constant></term>
<listitem>
<para>
is the name or IP address of the name server to query. This can
be an IPv4
address in dotted-decimal notation or an IPv6
is the name or IP address of the name server to query. This
can be an IPv4 address in dotted-decimal notation or an IPv6
address in colon-delimited notation. When the supplied
<parameter>server</parameter> argument is a
hostname,
<command>dig</command> resolves that name before
querying that name
server. If no <parameter>server</parameter>
argument is provided,
<command>dig</command> consults <filename>/etc/resolv.conf</filename>
and queries the name servers listed there. The reply from the
name
server that responds is displayed.
<parameter>server</parameter> argument is a hostname,
<command>dig</command> resolves that name before querying
that name server.
</para>
<para>
If no <parameter>server</parameter> argument is
provided, <command>dig</command> consults
<filename>/etc/resolv.conf</filename>; if an
address is found there, it queries the name server at
that address. If either of the <option>-4</option> or
<option>-6</option> options are in use, then
only addresses for the corresponding transport
will be tried. If no usable addresses are found,
<command>dig</command> will send the query to the
local host. The reply from the name server that
responds is displayed.
</para>
</listitem>
</varlistentry>