All plans allow custom blocks to be added to the account.
As a DNS-based solution, there are limitations to this blocking feature. This block can be used on all Fully Qualified Domain Names (FQDN), but is not effective against URL’s.
Example of what CAN be blocked:
Example of what CANNOT be blocked:
Custom Domain Blocks
Custom blocks can be added via the Custom Domains module in the dashboard.
Simply add the domain you want to block to the input box, and click Block Domain.