Not using the closest server

I've run already the diag quite a few times from my router but it is no resolved

anexia-sof-1.edge.nextdns.io

is used which is quite slow from a network distance perspective regardless if it is close from a geographical perspective

results from ping

  serverwala-buh (IPv4)   32 ms

■ anexia-ams (IPv6)       47 ms  (secondary)

  exoscale-vie (IPv6)     48 ms

■ anexia-lon (IPv4)       53 ms  (secondary)

■ zepto-lon (IPv4)        54 ms  (primary)

■ zepto-fra (IPv6)        55 ms  (primary)

  anexia-vie (IPv4)       62 ms

  estnoc-buh (IPv4)       62 ms

  exoscale-vie (IPv4)     64 ms

  serverwala-buh (IPv6)   67 ms

  serverwala-mil (IPv4)   68 ms

  anexia-vie (IPv6)       70 ms

  edgeuno-ist (IPv6)      83 ms

  edgeuno-ist (IPv4)      85 ms

  zepto-sof (IPv4)        89 ms

  premiumrdp-ist (IPv4)   95 ms

  anexia-sof (IPv6)       98 ms

  anexia-sof (IPv4)       98 ms

  citynet-cai (IPv4)     102 ms

diag report here: https://nextdns.io/diag/3dfa7a90-50cf-11eb-9bcc-51da18bb30ac