DNS Gurus
Cached · just now
19 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Excellent
max-age=63072000; includeSubDomains; preload
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • 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,Cookie

Caching Headers

1 headers
Cache-Control
Caching
max-age=600, must-revalidate

Content Headers

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

Server Headers

2 headers
Server
Server
cloudflare
X-Powered-By
Server
WP Engine

CORS Headers

1 headers
Access-Control-Allow-Origin
Cors
*

Cookies Headers

1 headers
Set-Cookie
Cookies
__cf_bm=lb3d.UuIhaCVlTXEr4b3P2Jl7TosMQ9P0HDi..Zdb1M-1767196815-1.0.1.1-2l0FBZZtlCJhedCYBdiMoyfxs4P6BJ9NkjOeLewYZVoSIr806tJu8FNbg_EoRaYz0UmEJFkQRhLBFjeVm4OAuugWWSKFTGr_RKUFbhf6msY; path=/; expires=Wed, 31-Dec-25 16:30:15 GMT; domain=.certain.com; HttpOnly; Secure; SameSite=None

Other Headers

8 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9b6afd210cb7d6a1-IAD
Date
Other
Wed, 31 Dec 2025 16:00:15 GMT
Link
Other
<https://certain.com/>; rel=shortlink
X-Cache
Other
HIT: 18
X-Cache-Group
Other
normal
X-Cacheable
Other
SHORT

Recommendations

Enable compression (gzip/brotli) to improve performance

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