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Result:

https://graetnew.com/
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    [redirect_url] => 
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    [local_ip] => 78.47.42.177
    [local_port] => 48082
    [http_version] => 2
    [protocol] => 2
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<!DOCTYPE html>
<html lang="en-US">
<head>
    <title>Just a moment...</title>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=Edge">
    <meta name="robots" content="noindex,nofollow">
    <meta name="viewport" content="width=device-width,initial-scale=1">
    <link href="/cdn-cgi/styles/challenges.css" rel="stylesheet">
    <meta http-equiv="refresh" content="35">

</head>
<body class="no-js">
    <div class="main-wrapper" role="main">
    <div class="main-content">
        <h1 class="zone-name-title h1">
            <img class="heading-favicon" src="/favicon.ico"
                 onerror="this.onerror=null;this.parentNode.removeChild(this)">
            graetnew.com
        </h1>
        <h2 class="h2" id="challenge-running">
            Checking if the site connection is secure
        </h2>
        <noscript>
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                <div class="h2">
                    <span class="icon-wrapper">
                        <div class="heading-icon warning-icon"></div>
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                        Enable JavaScript and cookies to continue
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                </div>
            </div>
        </noscript>
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            graetnew.com needs to review the security of your connection before proceeding.
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    <div class="footer" role="contentinfo">
        <div class="footer-inner">
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                <div class="ray-id">Ray ID: <code>78ffd9427ebfc217</code></div>
            </div>
            <div class="text-center" id="footer-text">Performance &amp; security by <a rel="noopener noreferrer" href="https://www.cloudflare.com?utm_source=challenge&utm_campaign=j" target="_blank">Cloudflare</a></div>
        </div>
    </div>
</body>
</html>

Fatal error: Uncaught Embed\Exceptions\InvalidUrlException: Invalid url 'https://graetnew.com/' (Status code 503) in /var/www/oscarotero.com/www/embed3/src/Embed.php:142 Stack trace: #0 /var/www/oscarotero.com/www/embed3/src/Embed.php(81): Embed\Embed::process() #1 /var/www/oscarotero.com/www/embed3/demo/index.php(216): Embed\Embed::create() #2 {main} thrown in /var/www/oscarotero.com/www/embed3/src/Embed.php on line 142