Check server response of

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

Domain Name: GDKTX.COM
Registry Domain ID: 1610443380_DOMAIN_COM-VRSN
Registrar WHOIS Server: grs-whois.hichina.com
Registrar URL: http://www.net.cn
Updated Date: 2024-05-06T01:40:29Z
Creation Date: 2010-08-10T07:26:10Z
Registry Expiry Date: 2025-08-10T07:26:10Z
Registrar: Alibaba Cloud Computing (Beijing) Co., Ltd.
Registrar IANA ID: 420
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +86.95187
Domain Status: ok https://icann.org/epp#ok
Name Server: DNS31.HICHINA.COM
Name Server: DNS32.HICHINA.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-02T22:11:10Z <<<
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