cervenakniha.cz
HTML metadata
Technology
- Server
- openresty
- CMS
- WordPress 5.8.13 legacy (latest 7.0)
- PHP
- 5.6.40 end of life
- jQuery
- 3.6.0
- Fonts
-
- Google Fonts
Third-party hosts loaded (4)
- fonts.googleapis.com×2
- fonts.gstatic.com×1
- gmpg.org×1
- s.w.org×1
DNS records live
- NS
-
- ns1.websupport.cz
- ns2.websupport.cz
- ns3.websupport.eu
Email authentication no MX
- SPF
- not published
- DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current)
R12
Expires in 40 days
HTTP security headers
- findings
-
- missing HSTS
- missing Content Security Policy
- missing frame protection
- missing content type protection
- missing Referrer Policy
- missing Permissions Policy