check web redirect url status code checker

Check server response of

Server response
NS records
Whois domain
Response headers
Request headers
Raw HTML code
503 Service Unavailable - mpdf1.com
HTTP Status: 503
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Server: nginx/1.18.0 (Ubuntu)
Date: Thu, 01 May 2025 13:04:02 GMT
Content-Type: text/html
Content-Length: 933
Connection: close
ETag: "4cefac17-3a5"

HTTP Code 503 Service Unavailable

503 status code indicates that the server is temporarily unavailable due to overload or maintenance.

When is Code 503 used?

  • When a server is overloaded with traffic
  • When the server is undergoing scheduled maintenance
  • When a web application temporarily restricts access

What does Code 503 mean for the user?

The user must wait and try again later, as the server is currently unavailable.

GET / HTTP/1.1
Host: mpdf1.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="fr" xml:lang="fr">
<head>
  <title>Serveur Dedibox en maintenance</title>
  <style type="text/css">
body{text-align:center;border-top:4px solid #d1d1d1;margin:0;font-size:12px;font-family:"Trebuchet MS",Helvetica,Arial,Verdana,sans-serif}
img{border:0}
#wrap{width:961px;text-align:left;margin:0 auto}
#home{margin-right:100px}
#home h1{font-size:22px;color:#666}
  </style>
</head>
<body>
  <div id="wrap">
    <div id="body">
      <img src="/dedibg.png" alt="dedibg" />
      <div id="home">
         <h1>Erreur 503 - Service temporairement indisponible ou en maintenance</h1>
         <p>Le site internet que vous contactez est actuellement en maintenance, merci de renouveller votre demande ult&eacute;rieurement.</p>
      </div>
    </div>
  </div>
</body>
</html>

Whois info of domain

Domain Name: MPDF1.COM
Registry Domain ID: 1568308071_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.porkbun.com
Registrar URL: http://porkbun.com
Updated Date: 2024-07-24T21:13:48Z
Creation Date: 2009-09-07T21:43:01Z
Registry Expiry Date: 2025-09-07T21:43:01Z
Registrar: Porkbun LLC
Registrar IANA ID: 1861
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: 5038508351
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: CURITIBA.NS.PORKBUN.COM
Name Server: FORTALEZA.NS.PORKBUN.COM
Name Server: MACEIO.NS.PORKBUN.COM
Name Server: SALVADOR.NS.PORKBUN.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-01T13:03:57Z <<<
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