DNS Gurus
Cached · just now
9 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Missing
Not configured
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 Strict-Transport-Security header with max-age of at least 1 year
  • • 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

1 headers
Etag
Caching
W/"8a-nEs3xURHm2Jvko1F/qfgssBfUvs"

Content Headers

2 headers
Content-Length
Content
138
Content-Type
Content
text/html; charset=utf-8

Server Headers

2 headers
Server
Server
Fly/bb3b4cf3 (2026-02-05)
X-Powered-By
Server
Express

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

3 headers
Date
Other
Fri, 06 Feb 2026 00:14:37 GMT
Fly-Request-Id
Other
01KGR4SXTZBZQTKHAR8Q752V0J-iad
Via
Other
1.1 fly.io, 1.1 fly.io

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