DNS Gurus

SSL Verification Bypassed

The server's SSL certificate could not be verified. The analysis was completed using insecure mode. Data may be less reliable.

Reason:

Hostname Mismatch - certificate is issued for cloudfront.net, *.cloudfront.net, not for static.marker.io

Cached · just now
18 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=31536000
Content-Security-Policy
Weak
frame-ancestors
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • Significantly strengthen CSP directives
  • • Add X-Content-Type-Options: nosniff
  • • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

1 headers
Vary
Performance
Accept-Encoding

Caching Headers

2 headers
Age
Caching
575144
Last-Modified
Caching
Fri, 19 Dec 2025 08:05:32 GMT

Content Headers

1 headers
Content-Type
Content
text/html

Server Headers

1 headers
Server
Server
cloudflare

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

10 headers
Cf-Cache-Status
Other
HIT
Cf-Ray
Other
9b372bfcdeaec974-IAD
Date
Other
Thu, 25 Dec 2025 09:04:35 GMT
Surrogate-Control
Other
max-age=2147483647
Surrogate-Key
Other
marker.io 671900dacbf828ea7d4ce098 pageId:6719051c395986a7ed7bf714
Via
Other
1.1 e2d0a68340eb7825d7c9432487decdf6.cloudfront.net (CloudFront)
X-Amz-Cf-Id
Other
cnGTYMOuq4pQ5EgdrSq0Z_j0sELTPg-LDPO4ArMDnPvYNw0rXIJ_7Q==
X-Amz-Cf-Pop
Other
IAD61-P13
X-Cache
Other
Hit from cloudfront
X-Lambda-Id
Other
58db3aa6-ef0d-4ed8-a330-a7865e566657

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching

Analysis completed in 140ms