DNS Gurus
Cached · just now
12 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Good
max-age=63072000; includeSubDomains
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
  • • Consider adding 'preload' to HSTS for maximum security
  • • 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

2 headers
Connection
Performance
close
Vary
Performance
Origin

Caching Headers

2 headers
Cache-Control
Caching
max-age=0, private, must-revalidate
Etag
Caching
W/"150bc6474dc28bc6e4a1d8cfff75588d"

Content Headers

1 headers
Content-Length
Content
12

Server Headers

2 headers
Server
Server
Fly/db8019e6c (2026-01-14)
X-Runtime
Server
0.000238

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

4 headers
Date
Other
Thu, 15 Jan 2026 14:06:34 GMT
Fly-Request-Id
Other
01KF0ZNF4MBJ4D6VJ9CQT44213-iad
Via
Other
1.1 fly.io, 1.1 fly.io
X-Request-Id
Other
ac92d9a8-0006-4b30-8ac2-167840295db4

Recommendations

Enable compression (gzip/brotli) to improve performance