dnsutil

package

v0.0.0-...-288c4de Latest Latest Go to latest Published: Jul 5, 2023 License: Apache-2.0 Imports: 2 Imported by: 0

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Repository

Documentation ¶

Overview ¶

Package dnsutil copied from coredns project https://github.com/coredns/coredns/blob/master/plugin/pkg/dnsutil/reverse.go

Index ¶

Constants
func ExtractAddressFromReverse(reverseName string) string
func IsReverse(name string) int

Constants ¶

View Source

const (
	// IP4arpa is the reverse tree suffix for v4 IP addresses.
	IP4arpa = ".in-addr.arpa."
	// IP6arpa is the reverse tree suffix for v6 IP addresses.
	IP6arpa = ".ip6.arpa."
)

Variables ¶

This section is empty.

Functions ¶

func ExtractAddressFromReverse ¶

func ExtractAddressFromReverse(reverseName string) string

ExtractAddressFromReverse turns a standard PTR reverse record name into an IP address. This works for ipv4 or ipv6.

54.119.58.176.in-addr.arpa. becomes 176.58.119.54. If the conversion fails the empty string is returned.

func IsReverse ¶

func IsReverse(name string) int

IsReverse returns 0 is name is not in a reverse zone. Anything > 0 indicates name is in a reverse zone. The returned integer will be 1 for in-addr.arpa. (IPv4) and 2 for ip6.arpa. (IPv6).

Types ¶

This section is empty.

Source Files ¶

View all Source files

dnsutil.go

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