DNS Gurus
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19 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=3600
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
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
  • • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

3 headers
Connection
Performance
close
Transfer-Encoding
Performance
chunked
Vary
Performance
Cookie, Accept-Language, Accept-Encoding

Caching Headers

0 headers
No caching headers found

Content Headers

2 headers
Content-Language
Content
en
Content-Type
Content
text/html; charset=utf-8

Server Headers

1 headers
Server
Server
cloudflare

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
csrftoken=dayEF7WdWwW4QbGoC0Nuyp7vuqhtjOHp; expires=Mon, 11 Jan 2027 22:32:18 GMT; Max-Age=31449600; Path=/; SameSite=None; Secure

Other Headers

8 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9bd01be9de84d697-IAD
Date
Other
Mon, 12 Jan 2026 22:32:18 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=9R%2BhISfR5GVyD4gDmfhaNUAbbceDuHHSTF0707b6SQ4%3D\u0026sid=67ff5de4-ad2b-4112-9289-cf96be89efed\u0026ts=1768257138"}],"max_age":3600}
Reporting-Endpoints
Other
heroku-nel="https://nel.heroku.com/reports?s=9R%2BhISfR5GVyD4gDmfhaNUAbbceDuHHSTF0707b6SQ4%3D&sid=67ff5de4-ad2b-4112-9289-cf96be89efed&ts=1768257138"
Via
Other
2.0 heroku-router

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching