man: document what Authenticated: in the systemd-resolve output actually means (#3571)

My educated guess is that #3561 was filed due to confusion around the
systemd-resolve "Data Authenticated:" output.  Let's try to clean up the
confusion a bit, and document what it means in the man page.
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Lennart Poettering 2016-06-26 17:35:22 +02:00 committed by Martin Pitt
parent 71c14010df
commit cdfe156acd
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@ -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>