pkg net, method (*Resolver) LookupMX(context.Context, string) ([]*MX, error)
pkg net, method (*Resolver) LookupNS(context.Context, string) ([]*NS, error)
pkg net, method (*Resolver) LookupPort(context.Context, string, string) (int, error)
pkg net, method (*Resolver) LookupSRV(context.Context, string, string, string) (string, []*SRV, error)
pkg net, method (*Resolver) LookupTXT(context.Context, string) ([]string, error)

pkg net, func LookupCNAME(string) (string, error)
pkg net, func LookupHost(string) ([]string, error)
pkg net, func LookupIP(string) ([]IP, error)
pkg net, func LookupMX(string) ([]*MX, error)
pkg net, func LookupPort(string, string) (int, error)
pkg net, func LookupSRV(string, string, string) (string, []*SRV, error)
pkg net, func LookupTXT(string) ([]string, error)
pkg net, func ParseCIDR(string) (IP, *IPNet, error)