don't know if this status is "normal"
https://status.quad9.net/smap/
Also run it from other servers/VM's to compare and contrast if you can.
and it confirms (from my laptop, of course)
…/dnsperftest ./dnstest.sh
test1 test2 test3 test4 test5 test6 test7 test8 test9 test10 Average
level3 1000 ms 94 ms 1000 ms 1000 ms 1000 ms 1000 ms 285 ms 184 ms 183 ms 1000 ms 674.60
google 69 ms 53 ms 54 ms 54 ms 51 ms 59 ms 49 ms 54 ms 52 ms 55 ms 55.00
quad9 1000 ms 112 ms 1000 ms 1000 ms 1000 ms 1000 ms 1000 ms 1000 ms 1000 ms 1000 ms 911.20
freenom 246 ms 286 ms 286 ms 242 ms 177 ms 233 ms 500 ms 175 ms 204 ms 274 ms 262.30
opendns 74 ms 52 ms 65 ms 81 ms 56 ms 60 ms 59 ms 53 ms 52 ms 53 ms 60.50
norton 53 ms 51 ms 56 ms 52 ms 64 ms 54 ms 49 ms 55 ms 45 ms 48 ms 52.70
cleanbrowsing 52 ms 51 ms 55 ms 50 ms 56 ms 50 ms 52 ms 50 ms 55 ms 51 ms 52.20
yandex 94 ms 95 ms 90 ms 92 ms 84 ms 97 ms 281 ms 147 ms 88 ms 83 ms 115.10
adguard 1000 ms 1000 ms 1000 ms 1000 ms 1000 ms 1000 ms 1000 ms 1000 ms 1000 ms 1000 ms 1000.00
neustar 87 ms 74 ms 71 ms 124 ms 75 ms 75 ms 75 ms 71 ms 75 ms 72 ms 79.90
comodo 1000 ms 62 ms 1000 ms 66 ms 1000 ms 1000 ms 1000 ms 160 ms 52 ms 1000 ms 634.00
nextdns 304 ms 202 ms 351 ms 199 ms 191 ms 188 ms 71 ms 72 ms 73 ms 81 ms 173.20
I tried in Usa and Italy, and quad9 there has fast performance, so the issue I experience is probably limited to queries from Germany (so I've updated the title)
Results from USA near Yellowstone National Forest:
alias hn="sed 's/^/ /'"
./dnstest.sh | sort -k22 -n | hn
test1 test2 test3 test4 test5 test6 test7 test8 test9 test10 Average
127.0.0.53 1 ms 1 ms 3 ms 1 ms 1 ms 1 ms 1 ms 1 ms 1 ms 1 ms 1.20
_local_unbound 2 ms 1 ms 1 ms 2 ms 1 ms 1 ms 1 ms 1 ms 1 ms 1 ms 1.20
cloudflare 12 ms 11 ms 43 ms 13 ms 42 ms 12 ms 14 ms 44 ms 13 ms 12 ms 21.60
norton 24 ms 23 ms 24 ms 24 ms 25 ms 24 ms 23 ms 24 ms 23 ms 25 ms 23.90
neustar 24 ms 24 ms 24 ms 24 ms 24 ms 24 ms 24 ms 24 ms 24 ms 24 ms 24.00
cleanbrowsing 25 ms 26 ms 24 ms 26 ms 25 ms 25 ms 27 ms 25 ms 24 ms 25 ms 25.20
nextdns 23 ms 24 ms 24 ms 24 ms 24 ms 24 ms 44 ms 25 ms 25 ms 23 ms 26.00
opendns 23 ms 24 ms 24 ms 31 ms 23 ms 63 ms 24 ms 31 ms 29 ms 24 ms 29.60
quad9 25 ms 42 ms 41 ms 41 ms 23 ms 40 ms 40 ms 24 ms 24 ms 24 ms 32.40
level3 42 ms 38 ms 39 ms 37 ms 39 ms 37 ms 37 ms 37 ms 37 ms 39 ms 38.20
freenom 10 ms 10 ms 25 ms 10 ms 10 ms 10 ms 75 ms 41 ms 10 ms 219 ms 42.00
google 42 ms 43 ms 98 ms 65 ms 46 ms 81 ms 57 ms 63 ms 41 ms 68 ms 60.40