DNS Gurus
Cached · just now
16 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=15552000;
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer-when-downgrade
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
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

1 headers
Connection
Performance
close

Caching Headers

0 headers
No caching headers found

Content Headers

2 headers
Content-Length
Content
5545
Content-Type
Content
text/html;charset=utf-8

Server Headers

1 headers
Server
Server
Heroku

CORS Headers

1 headers
Access-Control-Allow-Origin
Cors
*

Cookies Headers

0 headers
No cookies headers found

Other Headers

7 headers
Date
Other
Thu, 22 Jan 2026 06:47:03 GMT
K-Id
Other
12
K-Protect
Other
on
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=N8VczDzlGruMjEbRcrQx1nqvkHC4uKrw4m0VyCsUeDQ%3D\u0026sid=1b10b0ff-8a76-4548-befa-353fc6c6c045\u0026ts=1769064423"}],"max_age":3600}
Reporting-Endpoints
Other
heroku-nel="https://nel.heroku.com/reports?s=N8VczDzlGruMjEbRcrQx1nqvkHC4uKrw4m0VyCsUeDQ%3D&sid=1b10b0ff-8a76-4548-befa-353fc6c6c045&ts=1769064423"
Via
Other
1.1 heroku-router

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching