ariadna

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LibreWolf sends a DNS query to "host" on startup – why? in c/librewolf@programming.dev
[–] ariadna@programming.dev 2 points 2 days ago (1 children)

I was thinking along the same lines. At this point, I have:

  • Removed all URLs in about:config
  • Disabled browser updates
  • Disabled all telemetry settings I could find

Despite all these actions, the browser still sends this request on startup. I'm starting to think it might be a setting that can't be changed via about:config.

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LibreWolf sends a DNS query to "host" on startup – why? (programming.dev)
 

Hi everyone, When starting LibreWolf, I noticed that it sends the following DNS query:

Standard query 0x053e A host
Standard query response 0x053e A host SOA ns0.centralnic.net

The query is for a non-existent domain host, and the response includes an SOA record from ns0.centralnic.net. I'm wondering why LibreWolf is making this request. Is it related to security features, DNS caching, connection checks, or something else?

DNS is set manually, but this query still appears every time the browser launches.

Any insights would be appreciated!