slow speed

here a post i did https://nextdns.io/diag/fcc31d70-591a-11ec-ba7b-05650c85028b and

ping off next dns

vultr-chi        14 ms  (anycast1, ultralow2)
  heficed-chi      14 ms  (ultralow1)
  teraswitch-pit   22 ms
  zepto-mci        25 ms
  smarthost-mci    26 ms
  router-pit       26 ms
  zepto-iad        32 ms
  hetzner-iad      32 ms
  zepto-xrs        33 ms
  anexia-atl       35 ms  (anycast2)
  incx-dtw         error

whats going on only uise ip of dns for next dns since i have a wireless router that dont support cli or input code thansk ray toth    im in desplaines il