DNS Gurus
Cached · just now
13 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Add Strict-Transport-Security header with max-age of at least 1 year
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

2 headers
Connection
Performance
close
Vary
Performance
X-Bot

Caching Headers

2 headers
Cache-Control
Caching
private, must-revalidate
Etag
Caching
W/"4889-quvKLY9HM6UaE+wCXj1/fd+gjZc"

Content Headers

2 headers
Content-Length
Content
18569
Content-Type
Content
text/html; charset=utf-8

Server Headers

1 headers
Server
Server
openresty/1.25.3.2

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

5 headers
Date
Other
Fri, 23 Jan 2026 17:45:17 GMT
Strict-Transport-Policy
Other
max-age=86400
X-Bot
Other
false
X-Developerhub-Version
Other
latest
X-Hosted-By
Other
DeveloperHub.io

Recommendations

Enable compression (gzip/brotli) to improve performance