check web redirect url status code checker

Check server response of

Server response
NS records
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Response headers
Request headers
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403 Forbidden - lso3.com
HTTP Status: 403
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Content-Type: text/html; charset=utf-8
Server: ADM/2.1.1
Connection: close
Content-Length: 265

HTTP Code 403 Forbidden

403 response code indicates that access to the requested resource is denied, even with authentication.

When is Code 403 used?

  • When accessing restricted content without necessary permissions
  • When security rules block a request
  • When an IP address is banned

What does Code 403 mean for the user?

The user is informed that they do not have permission to access the resource.

GET / HTTP/1.1
Host: lso3.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

<p>
<b>尊敬的用户您好：</b> <br />
您访问的网站被机房安全管理系统拦截，有可能是以下原因造成：<br />
1.您的网站未备案，或者原备案号被取消.<br />
2.域名在访问黑名单中.<br />
3.网站存在非法内容.228

Whois info of domain

Domain Name: LSO3.COM
Registry Domain ID: 2913782321_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.dnspod.cn
Registrar URL: http://www.dnspod.cn
Updated Date: 2024-09-04T05:25:07Z
Creation Date: 2024-09-04T05:23:39Z
Registry Expiry Date: 2025-09-04T05:23:39Z
Registrar: DNSPod, Inc.
Registrar IANA ID: 1697
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +86.4009100100
Domain Status: ok https://icann.org/epp#ok
Name Server: FIVE.DNSPOD.NET
Name Server: HAKE.DNSPOD.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-15T15:04:09Z <<<
For more information on Whois status codes, please visit https://icann.org/epp
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