DNS Gurus
Cached · just now
18 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Missing
Not configured
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-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
Connection
Performance
close
Transfer-Encoding
Performance
chunked
Vary
Performance
Accept-Encoding

Caching Headers

3 headers
Age
Caching
375957
Cache-Control
Caching
max-age=604800
Expires
Caching
Wed, 21 Jan 2026 07:28:24 GMT

Content Headers

1 headers
Content-Type
Content
text/html; charset=utf-8

Server Headers

2 headers
Server
Server
nginx/1.26.3
X-Powered-By
Server
Nette Framework

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

8 headers
Date
Other
Wed, 14 Jan 2026 07:28:24 GMT
Via
Other
1.1 73c5607bdb5db0d651e25c848846d554.cloudfront.net (CloudFront)
X-Amz-Cf-Id
Other
RBeQyGC0ic75vyuR247dPmL3xgKtXFNAGijz78X-d96w7rQw2o8bkg==
X-Amz-Cf-Pop
Other
IAD12-P3
X-Cache
Other
Hit from cloudfront
X-St-Client-Country-Code
Other
US
X-St-Client-Lat
Other
39.04690
X-St-Client-Lng
Other
-77.49030

Recommendations

Enable compression (gzip/brotli) to improve performance

Consider removing X-Powered-By header to hide server technology