Provides named-checkzone in a Docker contianer. [DockerHub]
docker pull cmattoon/named-checkzonedocker build -t cmattoon/named-checkzone .Then, copy named-checkzone to your $PATH
sudo cp named-checkzone /usr/local/bin/named-checkzone
sudo chmod +x /usr/local/bin/named-checkzonenamed-checkzone example.com /var/named/example.com