DNS Gurus
Cached · just now
18 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
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
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
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

1 headers
Connection
Performance
close

Caching Headers

2 headers
Cache-Control
Caching
max-age=0, private, must-revalidate
Etag
Caching
W/"ee8c477c27fa48bbc525b951d29aacc9"

Content Headers

2 headers
Content-Length
Content
66746
Content-Type
Content
text/html; charset=utf-8

Server Headers

2 headers
Server
Server
Fly/970f920f7 (2026-01-16)
X-Runtime
Server
0.006636

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

7 headers
Date
Other
Mon, 19 Jan 2026 07:58:44 GMT
Fly-Request-Id
Other
01KFAM6V2YT47GPPDTE8X1N6TR-iad
Release-Label
Other
v254
Via
Other
1.1 fly.io
X-Download-Options
Other
noopen
X-Permitted-Cross-Domain-Policies
Other
none
X-Request-Id
Other
59b4001c-f1d1-486f-a0e3-33a67b2ab23f

Recommendations

Enable compression (gzip/brotli) to improve performance