DNS Gurus
Cached · just now
19 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Good
max-age=31536000; includeSubDomains
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
  • • Consider adding 'preload' to HSTS for maximum security
  • • 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

2 headers
Connection
Performance
close
Transfer-Encoding
Performance
chunked

Caching Headers

3 headers
Cache-Control
Caching
max-age=30
Etag
Caching
"228ebcc5d8b932c13bb089eba98e8cb7"
Last-Modified
Caching
Thu, 29 Jan 2026 16:29:48 GMT

Content Headers

1 headers
Content-Type
Content
text/html

Server Headers

0 headers
No server headers found

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
incap_ses_1607_1854423=NkWBUSzNoR2BbPQqjzZNFsgCfWkAAAAAqt7IJpcB2IKDfyQP/28Z5Q==; path=/; Domain=.sans.edu; Secure; SameSite=None

Other Headers

7 headers
Date
Other
Fri, 30 Jan 2026 19:13:14 GMT
Via
Other
1.1 c022ca80d7b946eb138dfd2e55c98980.cloudfront.net (CloudFront)
X-Amz-Cf-Id
Other
7HYaEb38Q7UK9BShO2F8FZ7Ek-s1ASqReTnSSF4YxLCthhpVb9iWHg==
X-Amz-Cf-Pop
Other
IAD12-P4
X-Cache
Other
Miss from cloudfront
X-Cdn
Other
Imperva
X-Iinfo
Other
58-57655558-57655566 NNNN CT(12 15 0) RT(1769800392947 20) q(0 0 1 6) r(1 1) U5

Recommendations

Enable compression (gzip/brotli) to improve performance