Selecting higher latency DNS server

Been having this issue for a while.

NextDNS selects a server with significantly higher latency than the other options. This issue seems worse when DoH is enabled on my router.

  smarthost-mci (IPv6)   19 ms
  smarthost-mci          23 ms
  vultr-atl              28 ms
  zepto-mci (IPv6)       29 ms
  oplink-hou             31 ms
  vultr-dal (IPv6)       32 ms
  smarthost-den (IPv6)   32 ms
  anexia-dal (IPv6)      32 ms
  anexia-atl (IPv6)      35 ms
  anexia-atl             35 ms
  zepto-mci              36 ms
  vultr-dal              37 ms
  anexia-dal             38 ms  (anycast2)
  vultr-atl (IPv6)       40 ms
  zepto-xrs              43 ms  (anycast1)
  smarthost-den          46 ms
  router-phx             48 ms
  anexia-den             49 ms
  anexia-mex (IPv6)      51 ms  (anycast2)
  anexia-den (IPv6)      53 ms
  vultr-sjc (IPv6)       57 ms  (ultralow1)
  vultr-sjc              74 ms  (ultralow1)
■ do-sfo (IPv6)          78 ms  (ultralow2)
  do-sfo                 80 ms  (ultralow2)
  zepto-dub (IPv6)      122 ms  (anycast1)

Debug log here: https://nextdns.io/diag/f49806e0-37f2-11ec-8c1b-d37fa55b54ef