There are public and commercial offerings for "DNS based protection". e.g. 9.9.9.9 automatically generates NXDomains for suspected malicious DNS Names even in their free service. They have a page where you can check if you have been blacklisted (see https://www.quad9.net/de/result) On 4/20/22 11:07, Antonia Affinito wrote:
Good morning, I am currently analysing the DNS resolvers (local and public ones) in terms of protection and performance (in particular their speed). I noticed that, in case of a malicious domain name, some local resolvers send an NXDOMAIN and others a courtesy page address. Do you know if the resolvers (for example TIM, Wind or Fastweb) can return an NXDomain in order to protect their clients?
Thanks a lot
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