DNS Gurus
Cached · just now
20 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=31557600
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
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • 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

5 headers
Age
Caching
0
Cache-Control
Caching
max-age=3600,stale-while-revalidate=43200,stale-if-error=43200,public
Etag
Caching
"4443-64831ce760de2"
Expires
Caching
Mon, 12 Jan 2026 15:45:50 GMT
Last-Modified
Caching
Mon, 12 Jan 2026 14:36:54 GMT

Content Headers

2 headers
Content-Length
Content
17475
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

1 headers
Set-Cookie
Cookies
affinity="3dcec40642834efc"; Path=/; HttpOnly; secure

Other Headers

6 headers
Date
Other
Mon, 12 Jan 2026 15:40:50 GMT
X-Cache
Other
MISS
X-Dispatcher
Other
${DISP_ID}
X-Served-By
Other
cache-lga21956-LGA
X-Timer
Other
S1768232450.267181,VS0,VS0,VE30
X-Vhost
Other
*.cardvalet.com

Recommendations

Enable compression (gzip/brotli) to improve performance