dns

package

v0.53.0 Latest Latest Go to latest Published: Jan 19, 2026 License: Apache-2.0 Imports: 7 Imported by: 0

Details

Package dns provides DNS-related utilities, including DNS-over-HTTPS and IP reverse lookups.

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func BlocklistLookupAddr(addr string) (bool, error)

BlocklistLookupAddr checks if the given IP address is listed in the Spamhaus blocklist.

func ReverseIP(addr string) (string, error)

ReverseIP returns the reverse DNS notation for an IP address.

type DOHClient struct {
	Client *http.Client
	URL    *url.URL
}

DOHClient describes a DNS over HTTPS client.

func NewDOHClient(url *url.URL) *DOHClient

NewDOHClient creates a new DNS over HTTPS client with the provided URL.

func (c *DOHClient) Exchange(msg *dns.Msg) (*dns.Msg, error)

Exchange performs a DNS query using DNS over HTTPS.