DNS Gurus
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20 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=300
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
  • • 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 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
Accept-Ranges
Performance
bytes
Connection
Performance
close
Vary
Performance
Accept-Encoding

Caching Headers

3 headers
Cache-Control
Caching
public, must-revalidate, proxy-revalidate, no-cache, no-store, max-age=0
Etag
Caching
"c18b5a9503e5aa6c1649f59a4846c67f"
Last-Modified
Caching
Mon, 29 Dec 2025 09:31:02 GMT

Content Headers

2 headers
Content-Length
Content
948
Content-Type
Content
text/html

Server Headers

1 headers
Server
Server
AmazonS3

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

10 headers
Date
Other
Fri, 02 Jan 2026 19:30:13 GMT
Via
Other
1.1 9e5f6112105a2111f070a1c1acf65a2a.cloudfront.net (CloudFront), 1.1 varnish
X-Amz-Cf-Id
Other
KOJ4r2IPIY0IYqGiiA0vM1r6uxy876-o3tM8NHCyINpWVlMPZL7bcQ==
X-Amz-Cf-Pop
Other
JFK50-P13
X-Amz-Server-Side-Encryption
Other
AES256
X-Amz-Version-Id
Other
PRAbBGw3jDSmipyDgxOTVzAZMsoTZ22c
X-Cache
Other
Miss from cloudfront, MISS
X-Cache-Hits
Other
0
X-Served-By
Other
cache-lga21964-LGA
X-Timer
Other
S1767382214.547570,VS0,VE96

Recommendations

Enable compression (gzip/brotli) to improve performance