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: do9t.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

<html class="errorpage">
  <head>
   <title>455 Security Incident Detected</title>
    <meta name='viewport' content='width=device-width'>
    <link href='//splash.simply.com/errorpage.css' rel='stylesheet'>
  </head>
  <body>
  <h1>455 Security Incident Detected</h1>
  <p>Your request was blocked.</p>

  <h3>If you are the owner of the website:</h3>
  <p>The Website Application Firewall that is protecting your website has blocked this request for being suspicious.</p>
  <p>You can see the detailed reason for this in your webserver logs.</p>

  <hr>
  <p>135.181.60.100</p>

  </body>
</html>

Whois info of domain

Domain Name: DO9T.COM
Registry Domain ID: 135906138_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.rrpproxy.net
Registrar URL: http://www.key-systems.net
Updated Date: 2024-11-11T09:02:04Z
Creation Date: 2004-11-26T08:51:15Z
Registry Expiry Date: 2025-11-26T08:51:15Z
Registrar: Key-Systems GmbH
Registrar IANA ID: 269
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +49.68949396850
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS1.SIMPLY.COM
Name Server: NS2.SIMPLY.COM
Name Server: NS3.SIMPLY.COM
Name Server: NS4.SIMPLY.COM
DNSSEC: signedDelegation
DNSSEC DS Data: 41772 13 2 7B31145515A7880601911B40247267253735EB2C05A6D58CEF28DFAC2D183BC1
DNSSEC DS Data: 41772 13 4 09CC63223A1DE1D8CD3A46365AF9CC1ED456B8477348090434F8075A4C1E4C50751D9FF2D97329CDF4BE8E719088212A
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-08T22:24:50Z <<<
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