Wondering about the health of your system's DNS?
F-Secure DNSCheck in an easy-to-use online tool that will examine your device's connection to its DNS resolver using patent-pending technology by comparing the details of your IP address against those of the DNS resolver. A mismatch between the two indicates DNS configuration issues, which may include DNS hijacking. To test your system's DNS, go to:
Note: As the type of network being tested (e.g., office or mobile) will affect the verdict, this service is best suited for home users.