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
303 See Other - sub21.com
HTTP Status: 303
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
x-frame-options: SAMEORIGIN
x-xss-protection: 1; mode=block
x-content-type-options: nosniff
x-download-options: noopen
x-permitted-cross-domain-policies: none
referrer-policy: strict-origin-when-cross-origin
location: http://pages.sub21.com
content-type: text/html; charset=utf-8
cache-control: no-cache
x-request-id: af5db5ba-9342-4916-878d-13ef124edc00
x-runtime: 0.003868
transfer-encoding: chunked
429 Too Many Requests - http://pages.sub21.com
HTTP Status: 429
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Content-Length: 22
Content-Type: text/html; charset=UTF-8

HTTP Code 429 Too Many Requests

429 Too Many Requests means that the client has sent too many requests in a short period.

When is Code 429 used?

  • When an API rate limit is exceeded
  • When a user sends too many login attempts

What does Code 429 mean for the user?

The user must wait before making more requests.

GET / HTTP/1.1
Host: sub21.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

429 Too Many Requests.

Whois info of domain

Domain Name: SUB21.COM
Registry Domain ID: 104231963_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.tucows.com
Registrar URL: http://www.tucows.com
Updated Date: 2024-08-06T12:12:09Z
Creation Date: 2003-09-28T08:34:35Z
Registry Expiry Date: 2029-09-28T08:34:35Z
Registrar: Tucows Domains Inc.
Registrar IANA ID: 69
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +1.4165350123
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: NS1.HOVER.COM
Name Server: NS2.HOVER.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-14T00:19:51Z <<<
For more information on Whois status codes, please visit https://icann.org/epp
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