chrog.cz
HTML metadata
Technology
- Server
- nginx
DNS records live
- NS
-
- ns1.websupport.cz
- ns2.websupport.cz
- ns3.websupport.eu
- MX
-
- 15 mail.serverbox.cz
- 20 mx10.serverbox.cz
Email authentication weak
- SPF
-
v=spf1 mx ip4:185.19.0.3 ip4:185.19.0.2 ip4:91.227.7.67 ~allsoftfail (~all) - DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current)
E8
Expires in 34 days
HTTP security headers
- present
-
- strict-transport-security
- x-frame-options
- x-content-type-options
- referrer-policy
- permissions-policy
- findings
-
- missing Content Security Policy
Header values
- referrer-policy
strict-origin-when-cross-origin- x-frame-options
SAMEORIGIN- permissions-policy
camera=(self), microphone=()- x-content-type-options
nosniff- strict-transport-security
max-age=31536000