DNS Gurus
Cached · just now
14 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=15768000 ; includeSubDomains
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Excellent
DENY
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

1 headers
Connection
Performance
close

Caching Headers

3 headers
Cache-Control
Caching
no-cache, no-store, max-age=0, must-revalidate
Expires
Caching
0
Pragma
Caching
no-cache

Content Headers

3 headers
Content-Language
Content
ja-JP
Content-Length
Content
12331
Content-Type
Content
text/html;charset=UTF-8

Server Headers

0 headers
No server headers found

CORS Headers

1 headers
Access-Control-Allow-Credentials
Cors
true

Cookies Headers

1 headers
Set-Cookie
Cookies
UqZBpD3n3iPIDwJU=v1aZEsgwSDH+0; Path=/; Secure; HttpOnly

Other Headers

1 headers
Date
Other
Fri, 26 Dec 2025 17:06:46 GMT

Recommendations

Enable compression (gzip/brotli) to improve performance

Analysis completed in 6634ms