if ($naptr > 0 && $naptr_valid == \core\diag\RADIUSTests::RETVAL_OK) {
                            $srv = $rfc7585suite->relevantNAPTRsrvResolution();
                            echo "<tr><td>" . _("Checking SRVs:") . "</td><td>";
                            switch ($srv) {
                                case \core\diag\RADIUSTests::RETVAL_SKIPPED: