DNS Gurus
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21 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=31536000
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
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 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
private, must-revalidate
Expires
Caching
-1
Pragma
Caching
no-cache

Content Headers

1 headers
Content-Type
Content
application/json

Server Headers

2 headers
Server
Server
cloudflare
X-Powered-By
Server
A/B Testing API v1.0

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
sigmize_session=eyJpdiI6Ii91V1NmbC9IRTUweDNhaXNGTTlkRXc9PSIsInZhbHVlIjoiTFluaE1US21BODNhVkFjWE1NOThvYVJ4b3F1dmViZldSODNjMXlkU0R2amR6ZHhsWEp5T0ZoOWZMOWE4L2c4T3dMODF5Q0tGQURYUUF4VjZ4NUI4amh0RmZwVThOb2VsbEdNNHZ5THdmOWdQb1pnQnFMa2RyM2JRSlpGK2hDNngiLCJtYWMiOiIyMmIyZWEyZmJiZDI4NWNiZDc4ZWFkYzE0ZWMyOWUxYWE1OGI4NGVlOGQ0YzVmOTA1NmNjYjBjMjMzMWU0MTAwIiwidGFnIjoiIn0%3D; expires=Tue, 06 Jan 2026 20:10:19 GMT; Max-Age=7200; path=/; httponly; samesite=lax

Other Headers

7 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cf-Cache-Status
Other
BYPASS
Cf-Ray
Other
9b9d2be4c91e81b1-IAD
Date
Other
Tue, 06 Jan 2026 18:10:19 GMT
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=vuE4YENZN7t1erZSf%2FmgyOPmnHVhsqVJNwAjJQbX3kHC%2BpI6vRo%2BlAOEXNiHAkd%2BiP2%2FLendhcntV9ocNIF6lzUhMchEf3PMF%2Fez1pbQPg%3D%3D"}]}
Server-Timing
Other
cfEdge;dur=11,cfOrigin;dur=28

Recommendations

Enable compression (gzip/brotli) to improve performance

Consider removing X-Powered-By header to hide server technology