@imdarkray I think after updating to the latest version, I was able to see the upstream and average processing time.
https://doh.opendns.com/dns-query
https://dns.google/dns-query
https://dns.cloudflare.com/dns-query
https://dns.quad9.net/dns-query
https://dns.switch.ch/dns-query
https://anycast.dns.nextdns.io