DNS Gurus
Cached · 15m ago
17 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=63072000
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
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • 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

3 headers
Age
Caching
5351
Cache-Control
Caching
public, max-age=0, must-revalidate
Etag
Caching
"jb2xezxwp48vcx"

Content Headers

2 headers
Content-Length
Content
414020
Content-Type
Content
text/html; charset=utf-8

Server Headers

2 headers
Server
Server
Heroku
X-Powered-By
Server
Next.js

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

8 headers
Date
Other
Wed, 31 Dec 2025 09:21:44 GMT
Nel
Other
{"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1}
Report-To
Other
{"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=HEU7c%2F3u%2FZZiLMCQkT%2BjFsaEFsz6%2B9w%2FlGlYg%2Ba8ARw%3D\u0026sid=1b10b0ff-8a76-4548-befa-353fc6c6c045\u0026ts=1767172904"}],"max_age":3600}
Reporting-Endpoints
Other
heroku-nel="https://nel.heroku.com/reports?s=HEU7c%2F3u%2FZZiLMCQkT%2BjFsaEFsz6%2B9w%2FlGlYg%2Ba8ARw%3D&sid=1b10b0ff-8a76-4548-befa-353fc6c6c045&ts=1767172904"
Via
Other
1.1 heroku-router
X-Matched-Path
Other
/en-US
X-Vercel-Cache
Other
HIT
X-Vercel-Id
Other
iad1::iad1::lxkql-1767172904814-251d34dcd45c

Recommendations

Enable compression (gzip/brotli) to improve performance

Consider removing X-Powered-By header to hide server technology