DNS Gurus
Cached · just now
20 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=15552000; preload
Content-Security-Policy
Missing
Not configured
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
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • 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
Thu, 15 Jan 2026 14:11:45 GMT
Last-Modified
Caching
Thu, 15 Jan 2026 14:11:45 GMT
Pragma
Caching
no-cache

Content Headers

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

Server Headers

1 headers
Server
Server
cloudflare

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
roundcube_sessid=221e2cd1cdd77afe9661ab08114c6421; path=/; HttpOnly; SameSite=Strict

Other Headers

6 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9be5f6d0f8af4fca-IAD
Date
Other
Thu, 15 Jan 2026 14:11:45 GMT
Nel
Other
{"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Report-To
Other
{"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=6Pnskdsx3SjELzusKQTotDKg6SYHbBLUD7vbOVcz%2FaL9bMg1gZ7fytdygFiMXQjyAi67Xm3%2BzN4mKSUar95ssNS7X6aZ3jC%2Fg7jamraJHrc%3D"}]}

Recommendations

Enable compression (gzip/brotli) to improve performance