MakeSurrogateIP takes an IP like 127.0.0.1 and munges it to 0.0.0.1 so we can sort it more easily.

Parse2Map reads the hostsfile and populates the byName and addr maps.

SplitHostPort splits s up in a host and port portion, taking reverse address notation into account.

Transport returns the transport defined in s and a string where the transport prefix is removed (if there was any).

These transports are supported by CoreDNS.

These transports are supported by CoreDNS.

GRPCPort is the default port for DNS-over-gRPC.

These transports are supported by CoreDNS.

HTTPSPort is the default port for DNS-over-HTTPS.

Port is the default port for DNS.

These transports are supported by CoreDNS.

TLSPort is the default port for DNS-over-TLS.

HostsFile contains known host entries.

Map contains the IPv4/IPv6 and reverse mapping.

Name represents a domain name.

Zones represents a lists of zone names.