BrowserSpy.dk shows you just how much information can be retrieved from your browser just by visiting a page.
Available tests are listed below.
Find out if you are using the OpenDNS service. OpenDNS is a free, closed-source, DNS resolution service. OpenDNS offers DNS resolution for consumers and businesses as an alternative to using their Internet service provider's DNS servers. By placing company servers in strategic locations and employing a large cache of the domain names, OpenDNS usually processes queries much more quickly, thereby increasing page retrieval speed.
|Are you using OpenDNS|
|Your OpenDNS status|