Public DNS malware filters to be tested in 2025

Rusty Snippets

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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.

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...........

 
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