OpenDNS offers an alternative your ISP's/organization's own DNS servers. Business and consumer-grade services are available for any budget.
Using OpenDNS servers to perform your DNS resolution can have many benefits, depending on the plan you choose:
There are various levels of free and paid OpenDNS plans available. The features available to you will depend upon the plan you use.
You need to create an account on the OpenDNS website if you want Content Filtering, through the Home Basic plan.
If you don't want Content Filtering, or are using the FamilyShield plan, you do not have to create an account.
For more details, see the Home Account FAQ at: Open DNS Home Account FAQ
You can setup OpenDNS for the FamilyShiled plan on FreshTomato in just a few steps.
First, configure the settings:
Your FreshTomato router should now be using OpenDNS for DNS resolution. You can test this using the nslookup command,
or by using the OpenDNS test page: OpenDNS Test Page
Again, the features available to you will depend on which plan you subscribe to.