check web redirect url status code checker

Check server response of

Server response
NS records
Whois domain
Response headers
Request headers
Raw HTML code
GET / HTTP/1.1
Host: ou40.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

<html>
    <head>
        <meta http-equiv="content-type" content="text/html; charset=UTF-8">
        <title>Sorry...</title>
        <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no" />
        <style>
            body {
                font-family: Tahoma, Verdana, Arial, sans-serif;
            }
            .head_title {
                margin-top: 100px;
                font-family: "微软雅黑";
                font-size: 40px;
                font-weight: lighter;
            }
            p {
                font-family: "微软雅黑";
                font-size: 16px;
                font-weight: lighter;
                color: #666666;
            }
        </style>
    </head>
    <body>
        <div align="center">
            <p>
            <h2 class="head_title" >异常</h2>
            </p>
            <p >站点未绑定</p>
            <p >节点: LWQLB4N8Sx8n8dAa - (请求IP: 135.181.60.100)请求ID: CC912A0A-DE65-475C-846C-E943AEAFEAA0</p>
        </div>
    </body>
    </html>

Whois info of domain

Domain Name: OU40.COM
Registry Domain ID: 2957433481_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.gname.com
Registrar URL: http://www.gname.com
Updated Date: 2025-02-08T04:49:49Z
Creation Date: 2025-02-08T04:49:49Z
Registry Expiry Date: 2026-02-08T04:49:49Z
Registrar: Gname.com Pte. Ltd.
Registrar IANA ID: 1923
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +65.65189986
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: A.SHARE-DNS.COM
Name Server: B.SHARE-DNS.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-19T21:01:58Z <<<
For more information on Whois status codes, please visit https://icann.org/epp
NOTICE: The expiration date displayed in this record is the date the
TERMS OF USE: You are not authorized to access or query our Whois
by the following terms of use: You agree that you may use this Data only
to: (1) allow, enable, or otherwise support the transmission of mass