Maintained by: NLnet Labs

DNS query native TLS support port 853

A. Schulze
Thu Jul 27 09:13:41 CEST 2017

Beeblebrox via Unbound-users:

> Hi. I just came across this little snippet from
> forward-addr: at 853  # US
> forward-addr: at 853   # US

DNS via TLS (Port 853/tcp) is one way to encrypt stub-resolver <->  
resolver communication
find more information on
There is also a list of supporting resolver. Be aware: they are named  
"*Test*" with reason...