DNS Gurus
Cached · just now
7 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=15768000 ; 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
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • 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

1 headers
Connection
Performance
close

Caching Headers

0 headers
No caching headers found

Content Headers

1 headers
Content-Length
Content
0

Server Headers

0 headers
No server headers found

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

4 headers
Alt-Svc
Other
h3=":443"; ma=93600
Date
Other
Sat, 17 Jan 2026 22:53:10 GMT
Www-Authenticate
Other
Bearer realm="dev.dataguard.abb.com" authorization_uri="https://login.windows.net/372ee9e0-9ce0-4033-a64a-c07073a91ecd/oauth2/v2.0/authorize" resource_id="73e9df7b-390d-48a9-b8c6-e29b665229e4"
X-Ms-Middleware-Request-Id
Other
1074594d-11ed-445a-9089-2ef2e42580d7

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching