diff --git a/pkg/http/ip.go b/pkg/http/ip.go
index d952c05..f65e3ef 100644
--- a/pkg/http/ip.go
+++ b/pkg/http/ip.go
@@ -204,6 +204,11 @@ func (r *IPRepository) testDomainLatency(client *HTTPClient, domain string) (flo
 			retErr = err
 			break
 		}
+		if resp.StatusCode != http.StatusOK && resp.StatusCode != http.StatusPartialContent {
+			r.log.Warnf("Failed to download from %s: %s", domain, resp.Status)
+			retErr = fmt.Errorf("status code: %s", resp.Status)
+			break
+		}
 
 		limitedReader := io.LimitReader(resp.Body, testFileSize)