OpenDNS handles 1% of addresses
The number of addresses processed by OpenDNS has exceeded 1%. This means that over 18 million users are using this web service. Over the past year, the number of users has doubled.
The popularity of OpenDNS indicates that people are interested in an open-source DNS service. Google recently launched its own similar tool.Google DNS, however, in terms of data processing speed, OpenDNS is still the leader.
The biggest problem with OpenDNS so far is that many users are unfamiliar with the technology.
You can read more about OpenDNS inWikipedia.