DNS Gurus
Cached · just now
21 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Excellent
max-age=31536000; includeSubDomains; preload
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Missing
Not configured
Recommendations
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

3 headers
Accept-Ranges
Performance
bytes
Connection
Performance
close
Vary
Performance
Origin

Caching Headers

2 headers
Cache-Control
Caching
no-store, must-revalidate
Last-Modified
Caching
Fri, 12 Dec 2025 02:58:20 GMT

Content Headers

2 headers
Content-Length
Content
3590
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

0 headers
No cookies headers found

Other Headers

8 headers
Date
Other
Sat, 20 Dec 2025 22:22:38 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=6Mh5y8S9tdeuozmDbk1EtHPrpsyF6KfoQem4Y3fj7qY%3D\u0026sid=af571f24-03ee-46d1-9f90-ab9030c2c74c\u0026ts=1766269358"}],"max_age":3600}
Reporting-Endpoints
Other
heroku-nel="https://nel.heroku.com/reports?s=6Mh5y8S9tdeuozmDbk1EtHPrpsyF6KfoQem4Y3fj7qY%3D&sid=af571f24-03ee-46d1-9f90-ab9030c2c74c&ts=1766269358"
Via
Other
1.1 heroku-router, 1.1 6a91ddfdf36644f1344da228258d9082.cloudfront.net (CloudFront)
X-Amz-Cf-Id
Other
wPdE5f0vHY5ZPkG91FMJUzFJ1xluEuaYNttVU3tmlvW9Zq7Qu8837w==
X-Amz-Cf-Pop
Other
IAD61-P10
X-Cache
Other
Miss from cloudfront

Recommendations

Enable compression (gzip/brotli) to improve performance

Analysis completed in 198ms