Optimise unbound:

configure larger socket buffer
add more cache memory, rrset=msg*2
configure more outgoing connections with libevent

https://nlnetlabs.nl/documentation/unbound/howto-optimise/
2 jobs for 146-use-knot-mod-geoip-for-nextnode-address in 1 minute and 47 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Lint
passed #30137
salt_lint

00:01:13

 
  Highstate
passed #30138
debug_highstate

00:00:33