As per annual tradition we put a number of public DNS filters to the test. They offer a 'safe' DNS resolver where they block malicious domain names.
New in this test is the recently launched DNS4EU, a DNS resolver created at the initiative of the European Commission.
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New in this test is the recently launched DNS4EU, a DNS resolver created at the initiative of the European Commission.
List of malicious domain names
Once again, we downloaded a list of 76,956 malicious domains from the CERT Poland website. CERT Poland still updates this list daily. We also downloaded a list of malicious domains from URLhaus, good for 3,824 domains. In total, this resulted in a list of 80,762 unique malicious hosts. More than enough to get a good idea of how well or badly the DNS resolvers perform...........
Public DNS malware filters to be tested in 2025
How well do the largest public DNS resolvers that protect you against malware domains perform in June 2025? We put them to the test!