check web redirect url status code checker

Check server response of

Server response
NS records
Whois domain
Response headers
Request headers
Raw HTML code
403 Forbidden - sslml.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: 734

HTTP Code 403 Forbidden

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

<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf8"><title>网站访问提示</title><style>.box{width:600;height:256;border:2px solid #03a9f4;margin:auto;padding:38}center p{font-size:28;color:#ff0000}</style></head><body><div style="margin:100 0"><div class="box"><center><p>温馨提示：该网站暂无法访问</p></center><p>原因一：根据《非经营性互联网信息服务备案管理办法》，您尚未进行备案或接入。</p><p>原因二：您的网站可能含不良信息，请联系网站管理员。</p><p>原因三：您的网站域名可能存在系统黑名单中。</p><br><p>本页为默认提示页，如网站存在以上问题请及时处理。</p></div></div></body></html>

Whois info of domain