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-rw-r--r--man/systemd-resolve.xml6
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diff --git a/man/systemd-resolve.xml b/man/systemd-resolve.xml
index b7fbee3154..ca26bb4d49 100644
--- a/man/systemd-resolve.xml
+++ b/man/systemd-resolve.xml
@@ -114,6 +114,12 @@
and IPv6 addresses. If the parameters specified are formatted as IPv4 or IPv6 operation the reverse operation is
done, and a hostname is retrieved for the specified addresses.</para>
+ <para>The program's output contains information about the protocol used for the look-up and on which network
+ interface the data was discovered. It also contains information on whether the information could be
+ authenticated. All data for which local DNSSEC validation succeeds is considered authenticated. Moreover all data
+ originating from local, trusted sources is also reported authenticated, including resolution of the local host
+ name, the <literal>localhost</literal> host name or all data from <filename>/etc/hosts</filename>.</para>
+
<para>The <option>--type=</option> switch may be used to specify a DNS resource record type (A, AAAA, SOA, MX, ...) in
order to request a specific DNS resource record, instead of the address or reverse address lookups.
The special value <literal>help</literal> may be used to list known values.</para>