DNS Gurus
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13 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

3 headers
Cache-Control
Caching
no-store, no-cache, must-revalidate
Expires
Caching
Thu, 19 Nov 1981 08:52:00 GMT
Pragma
Caching
no-cache

Content Headers

2 headers
Content-Length
Content
0
Content-Type
Content
text/html; charset=UTF-8

Server Headers

1 headers
Server
Server
Heroku

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
PHPSESSID=d83d159d8804ba7240745a535a35fe04; expires=Sat, 24 Jan 2026 17:53:06 GMT; Max-Age=604800; path=/

Other Headers

5 headers
Date
Other
Sat, 17 Jan 2026 17:53:06 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=XBBuc%2FH%2BXK%2BDMZqQbMHNbOBr5W27sYT%2F%2B422oqpPXJ0%3D\u0026sid=e11707d5-02a7-43ef-b45e-2cf4d2036f7d\u0026ts=1768672386"}],"max_age":3600}
Reporting-Endpoints
Other
heroku-nel="https://nel.heroku.com/reports?s=XBBuc%2FH%2BXK%2BDMZqQbMHNbOBr5W27sYT%2F%2B422oqpPXJ0%3D&sid=e11707d5-02a7-43ef-b45e-2cf4d2036f7d&ts=1768672386"
Via
Other
1.1 heroku-router

Recommendations

Enable compression (gzip/brotli) to improve performance