Package bestserver tracks the performance and reliability of each server for the purpose of identifying which server is the most reliable and has the lowest latency.

Package concurrencytracker keeps track of how many concurrent requests are active.

Package connectiontracker track connections for statistical purposes - ostensibly for inbound HTTP2 connections - but it is a generic package that should apply to other connections.

Package constants provides common values used across all trustydns packages.

Package dnsutil provides helper methods to manipulate the fiddly EDNS0 Client Subnet bits, TTL reduction and RFC8467 padding in a "github.com/miekg/dns.Msg".

Package flagutil provides additional support around the flag package.

Package reporter defines a simple interface for structs to produce a printable report about themselves which are typically statistically oriented.

Package resolver is the interface for resolving a dns.Msg via a local or DoH resolver.

Package tlsutil is a helper package to manage tls key and cert settings for clients and servers.