1 files changed, 43 insertions, 0 deletions
diff --git a/dns-https.go b/dns-https.go
index c61aa2f..6579903 100644
--- a/dns-https.go
+++ b/dns-https.go
@@ -63,3 +63,46 @@ func dnsAAAAlookupDoH(domain string) ([]string, error) {
 
 	return ipv6Addresses, nil
 }
+
+// dnsLookupDoH performs a DNS lookup for AAAA records over HTTPS.
+func lookupDoH(hostname string, rrType string) []string {
+	var values []string
+
+	// Construct the URL for a DNS query with Google's DNS-over-HTTPS API
+	url := fmt.Sprintf("https://dns.google/resolve?name=%s&type=%s", hostname, rrType)
+
+	log.Println("curl", url)
+
+	// Perform the HTTP GET request
+	resp, err := http.Get(url)
+	if err != nil {
+		log.Error(err, "error performing DNS-over-HTTPS request")
+		return nil
+	}
+	defer resp.Body.Close()
+
+	// Read and unmarshal the response body
+	body, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		log.Error(fmt.Errorf("error reading response: %w", err))
+		return nil
+	}
+
+	var data struct {
+		Answer []struct {
+			Data string `json:"data"`
+		} `json:"Answer"`
+	}
+
+	if err := json.Unmarshal(body, &data); err != nil {
+		log.Error(fmt.Errorf("error unmarshaling response: %w", err))
+		return nil
+	}
+
+	// Extract the IPv6 addresses
+	for _, answer := range data.Answer {
+		values = append(values, answer.Data)
+	}
+
+	return values
+}