Mailcow: Watchdog: Call nslookup directly rather than relying on Nagios.

For unknown reasons, check_dns consistently crashes with a
segmentation fault in the current setup.  Instead of calling it and
having it call nslookup, we now call nslookup ourselves.
1 file changed
tree: dab0093509ee2f8e40e161048d81d828d53d0137
  1. forks/
  2. mailcow/
  3. tikiwiki/
  4. images.nix
  5. makefile