DNS Gurus
Cached · just now
17 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=15768000; includeSubDomains
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Present
same-origin
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
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

2 headers
Connection
Performance
close
Vary
Performance
Cookie, origin

Caching Headers

0 headers
No caching headers found

Content Headers

2 headers
Content-Length
Content
40404
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
csrftoken=oipYsgsxa2ywyZ0jGLsVLbgBmoC73KR3; expires=Fri, 01 Jan 2027 00:34:57 GMT; Max-Age=31449600; Path=/; SameSite=Lax; Secure

Other Headers

6 headers
Date
Other
Fri, 02 Jan 2026 00:34:57 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=5eAC4PoBNbYXmb5CR1f4xmpkqU4mhSQHkll9u2gC%2BAg%3D\u0026sid=af571f24-03ee-46d1-9f90-ab9030c2c74c\u0026ts=1767314097"}],"max_age":3600}
Reporting-Endpoints
Other
heroku-nel="https://nel.heroku.com/reports?s=5eAC4PoBNbYXmb5CR1f4xmpkqU4mhSQHkll9u2gC%2BAg%3D&sid=af571f24-03ee-46d1-9f90-ab9030c2c74c&ts=1767314097"
Via
Other
1.1 heroku-router
X-Client-Version
Other
4

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching