tt-5-php-6001/vendor/workerman/validation/data/domain/public-suffix/DO.php

<?php declare(strict_types=1);
// Copyright (c) https://publicsuffix.org
// SPDX-License-Identifier: MPL-2.0-no-copyleft-exception
return [
    'ART.DO',
    'COM.DO',
    'EDU.DO',
    'GOB.DO',
    'GOV.DO',
    'MIL.DO',
    'NET.DO',
    'ORG.DO',
    'SLD.DO',
    'WEB.DO',
];