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We hope to have support on mobile platforms in the future:


Note that Android has announced that it will support a native implementation of DNS-over-TLS in an upcoming official release (it is already available in developer releases). This does not share any code with Stubby we applaud Android for this development!


See our Stubby configuration guide.


  • Run Unbound as a local forwarder using the ssl_upstream option to encrypt outgoing queries. This is provides a local caching resolver but at the moment Unbound doesn't fully support RFC7766 as a client and so you may not see the same performance as from Stubby (which pipelines queries). 
  • Work is in progress to enable knot resolver to work in this mode too
  • As mentioned above, official support for a native Android implemenation of DNS-over-TLS is expected soon.