DNS Gurus
Cached · just now
21 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=2592000; includeSubDomains; preload
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
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • 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

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

Caching Headers

2 headers
Cache-Control
Caching
max-age=15552000, must-revalidate
Last-Modified
Caching
Thu, 06 Nov 2025 04:09:35 GMT

Content Headers

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

Server Headers

1 headers
Server
Server
cloudflare

CORS Headers

1 headers
Access-Control-Allow-Origin
Cors
https://www.datto.com/

Cookies Headers

1 headers
Set-Cookie
Cookies
__cf_bm=sVYqAwl2ShoyFufn6rh90HdntseBlYvt1rx9TNcc.V4-1768190472-1.0.1.1-Rf8cicoIGZHl0jiu1HW8zFX8y.4meCzTBavhaMw9LvLJe3Ak1N8jl7X1raSnSmsD8Ddx2_dSPqXmlhglXeTJw3e9LvxmLo2FObap.YpPXQw; path=/; expires=Mon, 12-Jan-26 04:31:12 GMT; domain=.www.datto.com; HttpOnly; Secure; SameSite=None

Other Headers

8 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9bc9c0553ddee62b-IAD
Date
Other
Mon, 12 Jan 2026 04:01:12 GMT
X-Cache
Other
HIT: 152120
X-Cache-Group
Other
normal
X-Cacheable
Other
YES:15552000.000
X-Dlm-No-Waypoints
Other
true

Recommendations

Enable compression (gzip/brotli) to improve performance