20 Apr
2022
20 Apr
'22
11:39 a.m.
On Wed, Apr 20, 2022 at 8:00 AM Antonia Affinito < antoniaaffinito12@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 NXDomain in order to protect their clients?
From a network engineering perspective, any resolver that responds to an authoritative NXDOMAIN by generating an address for a courtesy page -is-
Howdy, the malicious actor. Doubly so if they lie about the DNSSEC status in the response. Regards, Bill Herrin -- William Herrin bill@herrin.us <https://bill.herrin.us/> https://bill.herrin.us/