DNS Gurus
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18 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=15768000; includeSubDomains
Content-Security-Policy
Basic
default-src
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • Improve CSP by adding more specific directives and removing 'unsafe-inline'
  • • 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

4 headers
Cache-Control
Caching
private, no-cache, no-store, must-revalidate, post-check=0, pre-check=0
Expires
Caching
Fri, 02 Jan 2026 23:41:35 GMT
Last-Modified
Caching
Fri, 02 Jan 2026 23:41:35 GMT
Pragma
Caching
no-cache

Content Headers

2 headers
Content-Language
Content
en
Content-Type
Content
text/html; charset=UTF-8

Server Headers

1 headers
Server
Server
nginx/1.18.0

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
roundcube_sessid=ubqjvhjjl1j9vo0ibjak0mh2vu; path=/; secure; HttpOnly

Other Headers

2 headers
Date
Other
Fri, 02 Jan 2026 23:41:35 GMT
X-Request-Id
Other
d568ceb37ae452c2b6f674c46fb9cd31

Recommendations

Enable compression (gzip/brotli) to improve performance