Re: NXDOMAIN Resolvers

2022-04-21 Thread Thomas Mieslinger
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

RE: NXDOMAIN Resolvers

2022-04-20 Thread Brian Turnbow via NANOG
Ciao Antonia, If you are specifically looking for the Italian market try itnog. Itnog.it This has been discussed a couple of times on our telegram group and more lengthy questions can go on the mailing list. Both English and Italian are accepted. Some providers here in Italy offer protection as a

Re: NXDOMAIN Resolvers

2022-04-20 Thread Matthew Pounsett
On Wed, Apr 20, 2022 at 11:00 AM Antonia Affinito < antoniaaffinit...@gmail.com> 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, s

Re: NXDOMAIN Resolvers

2022-04-20 Thread William Herrin
On Wed, Apr 20, 2022 at 8:39 AM William Herrin wrote: > On Wed, Apr 20, 2022 at 8:00 AM Antonia Affinito > wrote: >> >> 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

Re: NXDOMAIN Resolvers

2022-04-20 Thread William Herrin
On Wed, Apr 20, 2022 at 8:00 AM Antonia Affinito < antoniaaffinit...@gmail.com> wrote: > 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 N