rcin.org.pl
HTML metadata
Technology
- Server
- openresty
Third-party hosts loaded (1)
- cdnjs.cloudflare.com×1
DNS records live
- NS
-
- berberis.man.poznan.pl
- rose.man.poznan.pl
- sunflower.man.poznan.pl
- MX
-
- 10 sanicula.man.poznan.pl
Email authentication weak
- SPF
-
v=spf1 redirect=_nie_lubie_gugla.man.poznan.plmissing all - DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current)
E7
Expires in 44 days
HTTP security headers
- present
-
- strict-transport-security
- findings
-
- missing Content Security Policy
- missing frame protection
- missing content type protection
- missing Referrer Policy
- missing Permissions Policy
Header values
- strict-transport-security
max-age=31536000; includeSubDomains