New constructs a new DNS resolver object that utilizes the provided list of DNS servers for resolution.

NewTest constructs a new DNS resolver object that utilizes the provided list of DNS servers for resolution and will allow loopback addresses.

ParseTarget takes the user input target string and default port, returns formatted host and port info.

StartDynamicProvider constructs a new dynamicProvider and starts its auto-update goroutine.

Error wraps a DNS error with various relevant information.

MockClient is a mock.

Client queries for DNS records.

ServerProvider represents a type which can provide a list of addresses for the bdns to use as DNS resolvers.

ResolverAddrs contains DNS resolver(s) that were chosen to perform a validation request or CAA recheck.