DoH - DNS over HTTP(S)
DoT - DNS over TLS. Often meaning DTLS
ADD - Applications doing DNS, where the application is sending DNS queries instead of asking the OS resolver. Usually implied to be HTTPS as well.
DoH - DNS over HTTP(S)
DoT - DNS over TLS. Often meaning DTLS
ADD - Applications doing DNS, where the application is sending DNS queries instead of asking the OS resolver. Usually implied to be HTTPS as well.