fix: netcup and DuckDNS.

vendor/github.com/xenolf/lego/providers/dns/dnsmadeeasy/client.go

@@ -7,6 +7,7 @@ import (
 	"encoding/hex"
 	"encoding/json"
 	"fmt"
+	"io/ioutil"
 	"net/http"
 	"time"
 )
@@ -27,6 +28,10 @@ type Record struct {
 	SourceID int    `json:"sourceId"`
 }
 
+type recordsResponse struct {
+	Records *[]Record `json:"data"`
+}
+
 // Client DNSMadeEasy client
 type Client struct {
 	apiKey     string
@@ -82,10 +87,6 @@ func (c *Client) GetRecords(domain *Domain, recordName, recordType string) (*[]R
 	}
 	defer resp.Body.Close()
 
-	type recordsResponse struct {
-		Records *[]Record `json:"data"`
-	}
-
 	records := &recordsResponse{}
 	err = json.NewDecoder(resp.Body).Decode(&records)
 	if err != nil {
@@ -151,7 +152,11 @@ func (c *Client) sendRequest(method, resource string, payload interface{}) (*htt
 	}
 
 	if resp.StatusCode > 299 {
-		return nil, fmt.Errorf("DNSMadeEasy API request failed with HTTP status code %d", resp.StatusCode)
+		body, err := ioutil.ReadAll(resp.Body)
+		if err != nil {
+			return nil, fmt.Errorf("request failed with HTTP status code %d", resp.StatusCode)
+		}
+		return nil, fmt.Errorf("request failed with HTTP status code %d: %s", resp.StatusCode, string(body))
 	}
 
 	return resp, nil