slow after wowway tranfered to astound powered by rcn

im in desplaines here what i get using next dns after wowway tranfered me to astound powered by rcn https://nextdns.io/diag/cc220010-d989-11ec-8ca8-4ba86efa1ca8 for now still on old wowway server didnt move us astound powered by rcn server yet but some look slow as can see