DNS Gurus
Cached · just now
21 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Excellent
max-age=63072000; includeSubDomains; 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
  • • 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
Accept-Ranges
Performance
bytes
Connection
Performance
close
Vary
Performance
Accept-Encoding

Caching Headers

2 headers
Cache-Control
Caching
no-store, no-cache, no-transform, must-revalidate
Last-Modified
Caching
Friday, 02-Jan-2026 11:38:34 GMT

Content Headers

2 headers
Content-Length
Content
2819
Content-Type
Content
text/html; charset=utf-8

Server Headers

0 headers
No server headers found

CORS Headers

2 headers
Access-Control-Allow-Methods
Cors
GET,OPTIONS,HEAD,DELETE,PATCH
Access-Control-Allow-Origin
Cors
https://msrc.microsoft.com

Cookies Headers

0 headers
No cookies headers found

Other Headers

8 headers
Date
Other
Fri, 02 Jan 2026 11:38:34 GMT
X-Agc-Upstream-Service-Time
Other
4
X-App-Env
Other
prd
X-App-Ver
Other
1.1.03260.339-2fef6d8c
X-Azure-Ref
Other
20260102T113834Z-17d86db7bdcmcwlfhC1BL1afnw000000219000000000kv97
X-Cache
Other
PRIVATE_NOSTORE
X-Envoy-Decorator-Operation
Other
certportal.default.svc.cluster.local:80/*
X-Fd-Int-Roxy-Purgeid
Other
0

Recommendations

Enable compression (gzip/brotli) to improve performance