No Security Risks Detected
This domain appears to be safe and secure
100%
Score
Disclaimer: This assessment is based on automated analysis of publicly available information. Results are for informational purposes only. For critical applications, consult security professionals.
Scan Information
Last checked:August 8, 2025 05:55:12
Target URL:https://zhangcde.asia/
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Page Information
Target URL
https://zhangcde.asia/
Page Title
zhangcde.asia | 521: Web server is down
Status
Active
Host Information
Domain
zhangcde.asia
Server
cloudflare
Country
United States
IP Address
172.67.188.43
ASN Information
13335
CLOUDFLARENET
Technologies
Cloudflare
CDN
SSL Certificate
HTTPS Enabled
Secure
Certificate Issuer
N/A
Valid From
2025-08-07 05:55:16
Valid Until
2026-08-08 05:55:16
Subject Name
zhangcde.asia
Performance Statistics
8
Total Requests
1
Domains
1
IP Addresses
24.76 KB
Transfer Size
Content Size26.49 KB
HTTP Headers
CF-RAY
96bcc38b3e457b20-DEN
Cache-Control
private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Connection
keep-alive
Content-Length
6979
Content-Type
text/html; charset=UTF-8
Date
Fri, 08 Aug 2025 05:55:16 GMT
Expires
Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy
same-origin
Server
cloudflare
X-Frame-Options
SAMEORIGIN
10 headers detected
Technology Stack Analysis
Cloudflare
CDN
Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.
External Links 1
Additional troubleshooting information
developers.cloudflare.com
Target URL
https://developers.cloudflare.com/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-521/
Requested Domains 1
zhangcde.asia
Apex domain
No category information available