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+.. highlight:: console
+
+kzonesign – DNSSEC signing utility
+==================================
+
+Synopsis
+--------
+
+:program:`kzonesign` [*options*] **-c** *conf_file* *zone_name*
+
+Description
+-----------
+
+This utility reads the zone's zone file, signs the zone according to given
+configuration, and writes the signed zone file back.
+
+Options
+.......
+
+**-c**, **--config** *conf_file*
+  Knot DNS configuration file (same as for knotd).
+
+**-o**, **--outdir** *dir_name*
+  Write the output zone file to the specified directory insted of the configured one.
+
+**-r**, **--rollover**
+  Allow key roll-overs and NSEC3 re-salt. In order to finish possible KSK submission,
+  set the KSK's **active** timestamp to now (**+0**) using :doc:`keymgr<man_keymgr>`.
+
+**-t**, **--time** *timestamp*
+  Sign the zone (and roll the keys if necessary) as if it was at the time
+  specified by timestamp.
+
+**-h**, **--help**
+  Print the program help.
+
+**-V**, **--version**
+  Print the program version.
+
+Parameters
+..........
+
+*zone_name*
+  A name of the zone to be signed.
+
+Exit values
+-----------
+
+Exit status of 0 means successful operation. Any other exit status indicates
+an error.
+
+See Also
+--------
+
+:manpage:`knot.conf(5)`, :manpage:`keymgr(8)`.