if ($this->naptr > 0 && $this->naptrValid == \core\diag\RADIUSTests::RETVAL_OK && $this->srv > 0) {
                $out[] = "<tr><td>"._("Checking IP address resolution:")."</td><td>";
                switch ($this->srv) {
                    case \core\diag\RADIUSTests::RETVAL_SKIPPED:
                        $out[] = _("This check was skipped.");