Mullvad is shutting down its public encrypted DNS servers and will instead support Quad9, a leading provider of privacy-focused public DNS services. The decision is based on the specialized nature of running a public DNS service and the desire to allocate resources more efficiently. Mullvad's public DNS servers were used by its browser and as a free public service, but users will need to migrate to Quad9 by November 2nd, 2026. The change will not affect Mullvad VPN users, who already have their traffic encrypted and DNS handled internally.