DNS Gurus
Cached · just now
7 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Good
max-age=31536000; includeSubDomains
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
  • • Consider adding 'preload' to HSTS for maximum security
  • • 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

1 headers
Set-Cookie
Cookies
ARRAffinitySameSite=a5693f92eba1564f0c5bc023660bb0b214994c2924d65e424b65a1009e0865c3;Path=/;HttpOnly;SameSite=None;Secure;Domain=dev.specifier.abb.com

Other Headers

3 headers
Date
Other
Sat, 17 Jan 2026 08:38:59 GMT
Www-Authenticate
Other
Bearer realm="dev.specifier.abb.com" authorization_uri="https://login.microsoftonline.com/372ee9e0-9ce0-4033-a64a-c07073a91ecd/oauth2/v2.0/authorize" resource_id="cb4f50f2-026c-4e92-b489-fa2e36a0f253"
X-Ms-Middleware-Request-Id
Other
8adae455-1da3-421e-946d-02440813ae27

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching