I noticed that Quad 9 is not able to respond to the spy.pet query:

$ dig spy.pet @9.9.9.9 +short
;; communications error to 9.9.9.9#53: timed out

But Cloudflare DNS is able to do it:

$ dig spy.pet @1.1.1.1 +short
104.26.0.165
104.26.1.165
172.67.74.73

And to be sure, I checked another domain with the same TLD to rule out the option that Quad9 is unable to handle the .pet TLD, but I received a correct answer…

$ dig hello.pet @9.9.9.9 +short
3.64.163.50

Does Quad9 censor DNS queries?

  • TCB13@lemmy.world
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    1 year ago

    Because:

    Quad9 blocks lookups of malicious host names from an up-to-the-minute list of threats. (…) If the system detects that the site you want to reach is known to be infected, you’ll automatically be blocked from entry – keeping your data and computer safe.

    If you query their “unsecure” servers, it works:

    dig spy.pet "@9.9.9.10" +short
    104.26.1.165
    172.67.74.73
    104.26.0.165
    

    I would never use a provider that has the means in place / likes to filter the DNS - you never know when a govt will ask them to kill a certain domain (even for the “unsecure” servers) or redirect things.