check_dns.pl (Advanced Nagios Plugins Collection) ^Popular

Part of the Advanced Nagios Plugins Collection, download it here:

https://github.com/harisekhon/nagios-plugins

./check_dns.pl --help

Nagios Plugin to test a DNS record

Primarily written to check things like NS and MX records for domains
which the standard check_dns Nagios plugin can't do

usage: check_dns.pl [ options ]

-s --server DNS server(s) to query, can be a comma separated list of servers
-r --record DNS record to query
-q --type DNS query type (defaults to 'A' record)
-e --expected-result Expected results, comma separated
-R --expected-regex Expected regex to validate against each returned result
--no-uniq-results Test and display all results, not only unique results
-h --help Print description and usage options
-t --timeout Timeout in secs (default: 10)
-v --verbose Verbose mode
-V --version Print version and exit