Windows

  1. Open https://nextdns.io/ca to download the NextDNS.cer file.
  2. Open the NextDNS.cer file (the Certificate window will open).
  3. Click on Install Certificate.
  4. Complete the Certificate Import Wizard using the default settings.

macOS

  1. Open https://nextdns.io/ca to download the NextDNS.cer file.
  2. Open the NextDNS.cer file (the Keychain Access.app will open with the list of Certificates installed on your computer).
  3. Double-click on NextDNS Root CA in that list.
  4. Under Trust, choose Always Trust for Secure Socket Layers (SSL).
  5. Close the window (you may be asked to enter your system password to confirm the change).

iOS

  1. Open https://nextdns.io/ca, then choose Allow.
  2. Open the Settings app, then go to General → Profiles.
  3. Open NextDNS Root CA, then Install.
  4. In the Settings app, go to General → About → Certificate Trust Settings.
  5. Enable Full Trust for NextDNS Root CA.

Android

  1. Open https://nextdns.io/ca, then choose Download.
  2. Open the downloaded NextDNS.cer file.
  3. When asked, name the certificate NextDNS.

If you're using Firefox, an additional step is required:

  1. Enter about:config in the address bar, then press Enter.
  2. If asked, click on Accept the Risk and Continue.
  3. Set the value for security.enterprise_roots.enabled to true.
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