Thus recent Versions of bind will no longer change .IN-ADDR.ARPA to lowercase as the uppercase version is also valid.
To have check_dns.c consider this fact change strstr to strcasestr You can view, comment on, or merge this pull request online at: https://github.com/monitoring-plugins/monitoring-plugins/pull/1404 -- Commit Summary -- * DNS is case insensitive! -- File Changes -- M plugins/check_dns.c (2) -- Patch Links -- https://github.com/monitoring-plugins/monitoring-plugins/pull/1404.patch https://github.com/monitoring-plugins/monitoring-plugins/pull/1404.diff -- Reply to this email on GitHub: https://github.com/monitoring-plugins/monitoring-plugins/pull/1404
