DNS Gurus
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8 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=2592000
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

2 headers
Server
Server
Microsoft-IIS/10.0
X-Powered-By
Server
ASP.NET

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
ARRAffinitySameSite=71659a59bc7ec5e68f754ab1110af7204cc0a6ca9121108e19aeec14032c3bc4;Path=/;HttpOnly;SameSite=None;Secure;Domain=d3mdevapi.3m.com

Other Headers

2 headers
Date
Other
Fri, 23 Jan 2026 19:54:45 GMT
Request-Context
Other
appId=cid-v1:b23aa261-179c-4472-b2a1-896df4bfe6f7

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching

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