>>>>> "Maykel" == Maykel Moya <mike at prensa-latina.cu> writes: Maykel> The option listen-to is only available at server options? The listen-on clause is only valid inside an options{} statement. Read the documentation. It's in doc/html of the doc tarball in BIND8. For BIND9 the documentation is bundled with the source code. It's in doc/arm.