poradnyweb.cz
HTML metadata
Technology
- Server
- nginx
- CMS
- Joomla
Third-party hosts loaded (1)
- c.imedia.cz×1
Social
Contact
DNS records live
- NS
-
- ns1.svethostingu.cz
- ns2.svethostingu.cz
- ns3.svethostingu.eu
- MX
-
- 10 mail.svethostingu.cz
Email authentication weak
- SPF
- not published
- DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current)
R13
Expires in 17 days
HTTP security headers
- present
-
- strict-transport-security
- x-frame-options
- x-content-type-options
- findings
-
- short HSTS max-age
- missing Content Security Policy
- missing Referrer Policy
- missing Permissions Policy
Header values
- x-frame-options
DENY- x-content-type-options
nosniff- strict-transport-security
max-age=2592000; includeSubdomains