High Ping

I may also be experiencing similar symptoms. The Diag tool fails to complete... It hangs when testing the Secondary servers:
Testing IPv6 connectivity
  available: false
Fetching https://test.nextdns.io
  status: ok
  client: REDACTED
  protocol: DOH
  dest IP: 5.161.43.197
  server: hetzner-iad-1
Fetching PoP name for ultra low latency primary IPv4 (ipv4.dns1.nextdns.io)
  zepto-xrs: 9.9ms
Fetching PoP name for ultra low latency secondary IPv4 (ipv4.dns2.nextdns.io)
  hetzner-iad: 11.391ms
Fetching PoP name for anycast primary IPv4 (45.90.28.0)
  vultr-ewr: 10.105ms
Fetching PoP name for anycast secondary IPv4 (45.90.30.0)
  anexia-ewr: 9.203ms
Pinging PoPs
  zepto-xrs: 9.646ms
  vultr-ewr: 9.722ms
  hetzner-iad: 9.836ms
  anexia-mnz: 10.571ms
  anexia-ewr: 16.058ms
  smarthost-bos: 14.198ms
  axcelx-bos: 19.693ms
  zepto-iad: 14.244ms
  teraswitch-pit: 34ms
  router-pit: 68.971ms
Traceroute for ultra low latency primary IPv4 (170.39.224.134)
    1   96.244.135.1    5ms   7ms  10ms
    2  100.41.24.236    9ms  10ms   5ms
    3 140.222.229.91   16ms  14ms  14ms
    4 157.130.28.106   13ms  14ms  14ms
    5   96.110.34.21   20ms  18ms  20ms
    6    68.86.86.86   13ms  14ms  14ms
    7   68.86.83.177   15ms  14ms  16ms
    8   96.110.37.77   16ms  18ms  19ms
    9   96.110.35.94   17ms  14ms  14ms
   10  96.110.37.165   15ms  15ms  14ms
   11    68.86.85.73   18ms  19ms  19ms
   12  96.110.34.122   19ms  14ms  16ms
   13  71.25.197.218   16ms  14ms  14ms
   14 45.134.214.101   14ms  14ms  15ms
   15  199.119.65.17   16ms  14ms  14ms
   16 170.39.224.134   16ms  15ms  14ms
Traceroute for ultra low latency secondary IPv4 (5.161.43.197)
    1   96.244.135.1    3ms  10ms   8ms
    2  100.41.24.236    3ms   3ms   5ms