Dlint analyzes any DNS zone you specify and reports any problems it finds by displaying errors and warnings. Then it descends recursively to examine all zones below the given one (this can be disabled with a command-line option).
Release Notes: The argument syntax of "tail" and "sort" was changed for wider platform support. The previous syntax did not work properly on Fedora and related Linux platforms.
Release Notes: DiG 9.x support (BIND 9.x).
Release Notes: Minor bug fixes have been made.
Release Notes: Now uses the nameserver returning highest SOA serial number for zone transfers, malfunctioning nameservers ignored, added sanity-checking of nameservers' own names as well as various bug fixes and improvements.
Release Notes: Man page now documents all exit statuses and several bugs have been fixed.