DNS Gurus
Cached · just now
18 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=15552000; includeSubDomains; preload
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

0 headers
No caching headers found

Content Headers

1 headers
Content-Type
Content
text/html; charset=utf-8

Server Headers

2 headers
Server
Server
cloudflare
X-Powered-By
Server
ASP.NET

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
ARRAffinitySameSite=ad26f9a6bd8a60cc0a709ea5aba83deeee69ecdeb9e8ed99f43a1cd50f09889a;Path=/;HttpOnly;SameSite=None;Secure;Domain=sldus.com

Other Headers

8 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9bfb4d964bb605cc-IAD
Date
Other
Sun, 18 Jan 2026 04:21:00 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=maJk6NDOERhlv3POjq%2FTddFuP%2Fe6xezQEBLVHU3iU%2BzMFCPIl%2B5oh2R965rc%2B3QFO0dsPvAI8AFn0EhZKZU%2BH8ToZ9wDBvYlig%3D%3D"}]}
Request-Context
Other
appId=cid-v1:56049465-e6e1-493f-bc57-24b76682245b
Server-Timing
Other
cfEdge;dur=18,cfOrigin;dur=309

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching

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