DNS Gurus
Cached · just now
23 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Excellent
max-age=63072000; includeSubDomains; preload
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • • Add X-Content-Type-Options: nosniff
  • • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

3 headers
Accept-Ranges
Performance
bytes
Connection
Performance
close
Vary
Performance
Accept-Encoding

Caching Headers

4 headers
Age
Caching
6670250
Cache-Control
Caching
public, max-age=0, must-revalidate
Etag
Caching
W/"cc4be5ba3493f98d0659ae7f22f35d83"
Last-Modified
Caching
Tue, 25 Nov 2025 18:20:55 GMT

Content Headers

3 headers
Content-Disposition
Content
inline
Content-Length
Content
331121
Content-Type
Content
text/html; charset=utf-8

Server Headers

1 headers
Server
Server
nginx/1.20.0

CORS Headers

1 headers
Access-Control-Allow-Origin
Cors
*

Cookies Headers

0 headers
No cookies headers found

Other Headers

10 headers
Date
Other
Tue, 10 Feb 2026 23:41:18 GMT
Via
Other
1.1 varnish (Varnish/6.4), 1.1 4715507645a6516d2df35cd342cb5be0.cloudfront.net (CloudFront)
X-Amz-Cf-Id
Other
kNNFgDhFh4cFHHvrsmwIOAjE6sIqzTlQ1lUoHiLWgCijKgqamX_VAg==
X-Amz-Cf-Pop
Other
IAD12-P3
X-Cache
Other
RefreshHit from cloudfront
X-Matched-Path
Other
/
X-Varnish
Other
11137956
X-Varnish-Cache
Other
MISS
X-Vercel-Cache
Other
HIT
X-Vercel-Id
Other
dub1::mdbwc-1770628419326-25fa2c4fe1f1

Recommendations

Enable compression (gzip/brotli) to improve performance