dns

package

v1.24.0 Latest Latest Go to latest Published: Dec 24, 2025 License: MIT Imports: 12 Imported by: 0

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var (
	DNSLookupAddr = net.LookupAddr
	DNSLookupHost = net.LookupHost
)

This section is empty.

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

func New(ctx context.Context, cache *DnsCache) *Dns

func (d *Dns) ArpaReverseIP(addr string) (string, error)

ArpaReverseIP performs translation from ip v4/v6 to arpa reverse notation

func (d *Dns) LookupHost(host string) ([]string, error)

LookupHost performs a forward DNS lookup for the given hostname.

func (d *Dns) ReverseDNS(addr string) ([]string, error)

ReverseDNS performs a reverse DNS lookup for the given IP address and trims the trailing dot from the results.

func (d *Dns) VerifyFCrDNS(addr string, pattern *string) bool

VerifyFCrDNS performs a forward-confirmed reverse DNS (FCrDNS) lookup for the given IP address, optionally matching against a provided pattern.

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

func NewDNSCache(forwardTTL int, reverseTTL int, backend store.Interface) *DnsCache