resolver

package
v0.10.0 Latest Latest
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 Go to latest Published: Apr 13, 2026 License: Apache-2.0 Imports: 14 Imported by: 0

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Index

Constants

This section is empty.

Variables

View Source 
var ErrNotFound = errors.New("no records found")

ErrNotFound is returned when no DNS records are found.

Functions

func GetDNSServers 

func GetDNSServers() (nameservers []netip.AddrPort)

GetDNSServers returns the list of DNS servers from the local system configuration (e.g., /etc/resolv.conf).

func ValidateDNSServer 

func ValidateDNSServer(servers []string) ([]string, error)

ValidateDNSServer validates a list of DNS servers by sending a query to each of them and checking if they respond with a valid answer. It returns a list of valid servers and an error if no valid server is found.

Types

type Options 

type Options struct {
	// dns server for querying
	Servers   []string
	Hostsfile string
	Order     []string
	Timeout   time.Duration
	SkipTest  bool
}

Options contains configuration for the Resolver.

type Resolver 

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

Resolver is a DNS resolver that supports hosts file and caching.

func NewResolver 

func NewResolver(option Options) (*Resolver, error)

NewResolver creates a new Resolver instance with the given options.

func (*Resolver) Close added in v0.9.0 

func (r *Resolver) Close()

Close stops the DNS cache cleanup.

func (*Resolver) Lookup 

func (r *Resolver) Lookup(ctx context.Context, host string, queryOrder ...[]string) ([]string, error)

Lookup returns a list of IP addresses for the given host.

Source Files

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