this post was submitted on 10 Jun 2026
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Privacy
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yes and no, ideally vpn also handles DNS querries but sometimes with faulty implementations DNS can leak. mullvad has a test in their website but only works for mullvad vpn.
https://browserleaks.com/dns
i was using this site for testing, does the job
Would a faulty implementation be only if you did it manually? In other words, if I just go through the motions of turning on the VPN, theoretically there should be no leak right?
i don't know exactly how it happens but somrtimes for example browser uses its own DNS and it leaks this way. mullvad adds a virtual network interface and forces all traffic through it and prevents leaks this way
Good to know, thanks.