Provided by:
unbound_1.2.1-0ubuntu1_i386 
NAME
unbound-checkconf - Check unbound configuration file for errors.
SYNOPSIS
unbound-checkconf [-h] cfgfile
DESCRIPTION
Unbound-checkconf checks the configuration file for the unbound(8) DNS
resolver for syntax and other errors. The config file syntax is
described in unbound.conf(5).
The available options are:
-h Show the version and commandline option help.
cfgfile
The config file to read with settings for unbound. It is
checked. If omitted, the config file at the default location is
checked.
EXIT CODE
The unbound-checkconf program exits with status code 1 on error, 0 for
a correct config file.
FILES
/etc/unbound/unbound.conf
unbound configuration file.
SEE ALSO
unbound.conf(5), unbound(8).