DNS Gurus
Cached · just now
18 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=2592000; includeSubDomains
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
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
  • • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

3 headers
Connection
Performance
close
Transfer-Encoding
Performance
chunked
Vary
Performance
Accept-Encoding

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

1 headers
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
PHPSESSID=cgnr0s4godmstnab53nnhd7jbr; path=/

Other Headers

7 headers
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9bbf47178dedc651-IAD
Date
Other
Sat, 10 Jan 2026 21:30:49 GMT
Link
Other
<https://sellentt.com.br/>; rel=shortlink
Nel
Other
{"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Report-To
Other
{"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=j7%2BnaCulrED2ZyNJpdRZe6Pgpt%2BcJM3gGh0vbDVUjmnjkAcclNLf%2BMGIo0cMVy7RzMb2N7Kd%2BP9YwO1OJKZe5afoviPgwVW6bHjff18K"}]}
Server-Timing
Other
cfEdge;dur=13,cfOrigin;dur=632

Recommendations

Enable compression (gzip/brotli) to improve performance