DNS Gurus
Cached · just now
23 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
Good
nosniff
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 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

3 headers
Age
Caching
3565
Cache-Control
Caching
public, max-age=0, s-maxage=3600
Last-Modified
Caching
Fri, 23 Jan 2026 02:08:25 GMT

Content Headers

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

Server Headers

1 headers
Server
Server
cloudflare

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
__cf_bm=cVeP6ikPozkvxZxpZSBTGYQ9fzpi9ACM3JkISS2qKi4-1769139995-1.0.1.1-6R1UTNVKUh0bT4jI1xORRt_KOdZyzS3Tr0gTrjz0UUX_3Q4a1L3CwryGJ7THqkr.8ZRRZD84jwqNz8KJNXE5uaqnAEwtM4gv1Nu3yblCNds; path=/; expires=Fri, 23-Jan-26 04:16:35 GMT; domain=.www.sipgate.de; HttpOnly; Secure; SameSite=None

Other Headers

13 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cf-Cache-Status
Other
HIT
Cf-Ray
Other
9c244e09288cc56f-IAD
Date
Other
Fri, 23 Jan 2026 03:46:35 GMT
Ki-Cache-Tag
Other
d22ab702-a1b0-49c1-8b65-7ca37b55df90,4701de0ffbeccd253a5b3f1905a16f590e4b34470e246a2f1b1d18b9478f3851
Ki-Cache-Type
Other
Edge
Ki-Cf-Cache-Status
Other
HIT
Ki-Edge
Other
v=25.2.3;mv=5.0.18
Ki-Origin
Other
g1p
Nel
Other
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
Report-To
Other
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=o7shDLE0y8v8cpLtrn81ObAIzdDlt%2BC1%2Fjf3ThaVTK7Xh4ZRPyLAsliY82OjvLtpnfzdIV%2F%2B%2FoGa581YOx3BYUfyPOkTwb0uk83UKti6Ci%2Bprv5j6tSkTvzdLH2smpQp"}],"group":"cf-nel","max_age":604800}
X-Edge-Location-Klb
Other
1
X-Kinsta-Cache
Other
HIT

Recommendations

Enable compression (gzip/brotli) to improve performance