Basic DNS terminology
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authoritative
server
Knot Resolver
upstream
resolver
client
recursion
unencrypted DNS
(optional)
forwarding
unencrypted DNS
DNS-over-TLS
recursion
client asking questions
unencrypted DNS
DNS-over-TLS
DNS-over-HTTPS
HTTP management API
... as server
... as client
data, server, database, router, hardware
data, server, database,db, hosting
data, server, database, monitor, terminal