DNS Gurus
Cached · just now
17 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Add Strict-Transport-Security header with max-age of at least 1 year
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • • 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

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

Caching Headers

2 headers
Age
Caching
87622
Last-Modified
Caching
Sat, 10 Jan 2026 12:04:05 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
9bc2dcdaba9ac9b3-IAD
Date
Other
Sun, 11 Jan 2026 12:24:28 GMT
Surrogate-Control
Other
max-age=432000
Surrogate-Key
Other
www.dropboxfax.com 687e5c5cd8fbdf95c55e2f55 pageId:687e5c5cd8fbdf95c55e2f5b 687ece49d3308973cba8c94b
Via
Other
1.1 c1be5ad7b2feed34f1f388f67d13e698.cloudfront.net (CloudFront)
X-Amz-Cf-Id
Other
uFr3wcvejJbFa1hwh434qmBbV9GjaiRAYMr_ErbYxk3OZluCqSu0XA==
X-Amz-Cf-Pop
Other
IAD55-P10
X-Cache
Other
RefreshHit from cloudfront
X-Lambda-Id
Other
497fdce5-8711-4aa1-9ed8-7d13f079c5c9

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching