DNS Gurus
Cached · just now
16 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Excellent
max-age=31556926; 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
  • • 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

3 headers
Accept-Ranges
Performance
bytes
Connection
Performance
close
Vary
Performance
x-fh-requested-host, accept-encoding

Caching Headers

3 headers
Cache-Control
Caching
max-age=3600
Etag
Caching
"8753c29f8d657af4ff8945d34534b6dfaf5aded2103fda6b50128d87c6c47e6c"
Last-Modified
Caching
Sun, 13 Jul 2025 16:17:56 GMT

Content Headers

2 headers
Content-Length
Content
28847
Content-Type
Content
text/html; charset=utf-8

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

7 headers
Alt-Svc
Other
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
Content-Securirty-Policy
Other
default-src 'self'; script-src 'self' https://cdn.firebase.com https://api.mapbox.com; style-src 'self' https://api.mapbox.com; connect-src 'self' https://foure-786a3-default-rtdb.firebaseio.com https://api.mapbox.com; img-src 'self' data: https://api.mapbox.com; frame-src https://api.mapbox.com https://www.google.com https://www.gstatic.com; font-src 'self' https://api.mapbox.com; object-src 'none'; frame-ancestors 'none';
Date
Other
Sat, 10 Jan 2026 08:19:10 GMT
X-Cache
Other
MISS
X-Cache-Hits
Other
0
X-Served-By
Other
cache-ewr-kewr1740077-EWR
X-Timer
Other
S1768033150.975675,VS0,VE122

Recommendations

Enable compression (gzip/brotli) to improve performance