check web redirect url status code checker

Check server response of

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NS records
Whois domain
Response headers
Request headers
Raw HTML code
400 Bad Request - ucs1.com
HTTP Status: 400
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Date: Tue, 06 May 2025 20:09:24 GMT
Content-Type: text/html; charset=iso-8859-1
Transfer-Encoding: chunked
Connection: keep-alive
cf-cache-status: DYNAMIC
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=GAw1ln2ntxu9HN9UjRfg0vTQVJT%2FP2xqZccQepBkn224aBf53%2BDFF1QsqGN9ft8I%2FDSWE7%2BzvZx%2BmtENLDe1nyMSISsnZ%2FaKgBmKXWrlnUq%2FROvf6fqgRseCxfzvf6Z5QiEYTMXboQ%3D%3D"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Server: cloudflare
CF-RAY: 93bb1d746d923621-FRA
alt-svc: h3=":443"; ma=86400
server-timing: cfL4;desc="?proto=TCP&rtt=25447&min_rtt=25447&rtt_var=12723&sent=1&recv=3&lost=0&retrans=0&sent_bytes=0&recv_bytes=164&delivery_rate=0&cwnd=249&unsent_bytes=0&cid=0000000000000000&ts=0&x=0"

HTTP Code 400 Bad Request

http status code 400 indicates that the server cannot process the request due to client error.

When is Code 400 used?

  • When the request is malformed or contains invalid parameters
  • When required data is missing in the request
  • When sending an incorrect JSON or XML payload

What does Code 400 mean for the user?

The user receives an error message indicating that their request is incorrect and needs to be fixed.

GET / HTTP/1.1
Host: ucs1.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>400 Bad Request</title>
</head><body>
<h1>Bad Request</h1>
<p>Your browser sent a request that this server could not understand.<br />
</p>
</body></html>

Whois info of domain

Domain Name: UCS1.COM
Registry Domain ID: 2682448197_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.namecheap.com
Registrar URL: http://www.namecheap.com
Updated Date: 2025-02-15T09:27:43Z
Creation Date: 2022-03-17T19:02:15Z
Registry Expiry Date: 2026-03-17T19:02:15Z
Registrar: NameCheap, Inc.
Registrar IANA ID: 1068
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +1.6613102107
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: GANZ.NS.CLOUDFLARE.COM
Name Server: LILA.NS.CLOUDFLARE.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-06T20:09:08Z <<<
For more information on Whois status codes, please visit https://icann.org/epp
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