diff --git a/providers/dns/dyn/dyn.go b/providers/dns/dyn/dyn.go
index 384bc850..277dffb9 100644
--- a/providers/dns/dyn/dyn.go
+++ b/providers/dns/dyn/dyn.go
@@ -87,11 +87,8 @@ func (d *DNSProvider) sendRequest(method, resource string, payload interface{})
 	}
 	defer resp.Body.Close()
 
-	if resp.StatusCode >= 400 {
+	if resp.StatusCode >= 500 {
 		return nil, fmt.Errorf("Dyn API request failed with HTTP status code %d", resp.StatusCode)
-	} else if resp.StatusCode == 307 {
-		// TODO add support for HTTP 307 response and long running jobs
-		return nil, fmt.Errorf("Dyn API request returned HTTP 307. This is currently unsupported")
 	}
 
 	var dynRes dynResponse
@@ -100,6 +97,13 @@ func (d *DNSProvider) sendRequest(method, resource string, payload interface{})
 		return nil, err
 	}
 
+	if resp.StatusCode >= 400 {
+		return nil, fmt.Errorf("Dyn API request failed with HTTP status code %d: %s", resp.StatusCode, dynRes.Messages)
+	} else if resp.StatusCode == 307 {
+		// TODO add support for HTTP 307 response and long running jobs
+		return nil, fmt.Errorf("Dyn API request returned HTTP 307. This is currently unsupported")
+	}
+
 	if dynRes.Status == "failure" {
 		// TODO add better error handling
 		return nil, fmt.Errorf("Dyn API request failed: %s", dynRes.Messages)