In order to filter OSX devices offsite, we have a script that needs to be run via your MDM. Attached to this article are the respective scripts for the DNS servers for all of our clusters. If you need assistance in deploying this with your MDM please contact us at firstname.lastname@example.org.
Please note that you still need to ensure that our certificate is installed or pushed out via your applicable MDM under the same setting as this script. Click here to learn how to install the Securly SSL certificate to your Mac OSX device.