Version of the server software returned in a response for the query for TXT
record version.server.
or version.bind.
in the CHAOS class
(see RFC 4892).
Option allows a boolean value on|off
, if on
, automatic version
string is set as a default. If not specified or empty, the server returns REFUSED status code.
system { version "Knot DNS 1.3.0"; version on; # Reports current version }