dns

Documentation

Index

• type Config
• type FallbackFilter
• type NameServer
• type Resolver
  • func DefaultResolver() *Resolver
  • func NewResolver(config Config) *Resolver
  • func (r *Resolver) Exchange(m *D.Msg) (msg *D.Msg, err error)
  • func (r *Resolver) ResolveIP(host string) (ip net.IP, err error)
  • func (r *Resolver) ResolveIPv4(host string) (ip net.IP, err error)
  • func (r *Resolver) ResolveIPv6(host string) (ip net.IP, err error)

Types

type Config

type Config struct {
	Main, Fallback []NameServer
	Default        []NameServer
	IPv6           bool
	FallbackFilter FallbackFilter
}

type FallbackFilter

type FallbackFilter struct {
	GeoIP  bool
	IPCIDR []*net.IPNet
	Domain []string
}

type NameServer

type NameServer struct {
	Net  string
	Addr string
}

type Resolver

type Resolver struct {
	// contains filtered or unexported fields
}

func DefaultResolver

func DefaultResolver() *Resolver

func NewResolver

func NewResolver(config Config) *Resolver

func (*Resolver) Exchange

func (r *Resolver) Exchange(m *D.Msg) (msg *D.Msg, err error)

Exchange a batch of dns request, and it use cache

func (*Resolver) ResolveIP

func (r *Resolver) ResolveIP(host string) (ip net.IP, err error)

ResolveIP request with TypeA and TypeAAAA, priority return TypeA

func (*Resolver) ResolveIPv4

func (r *Resolver) ResolveIPv4(host string) (ip net.IP, err error)

ResolveIPv4 request with TypeA

func (*Resolver) ResolveIPv6

func (r *Resolver) ResolveIPv6(host string) (ip net.IP, err error)

ResolveIPv6 request with TypeAAAA