Quad9 censoring DNS requests? (lemmy.world)

submitted 7 months ago by mypasswordis1234@lemmy.world to c/privacy@lemmy.ml

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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?

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[-] OsaErisXero@kbin.run 4 points 7 months ago* (last edited 7 months ago)

The ability to selectively respond to DNS requests is integral to the function of DNS. The only real issue here is that there isn't a standard response code indicating the reason for not returning the record like there is in http

[-] TCB13@lemmy.world -3 points 7 months ago

The ability to selectively respond to DNS requests is integral to the function of DNS.

The availability of such feature and how useful it might be to block something is dependent on the actual implementation (software) you're using.

this post was submitted on 19 Apr 2024

29 points (83.7% liked)

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