optio.cz
HTML metadata
Technology
- Server
- nginx
- Fonts
-
- Google Fonts
Third-party hosts loaded (2)
- fonts.googleapis.com×1
- maps.googleapis.com×1
Social
Contact
- Phone
DNS records live
- NS
-
- ns.wedos.com
- ns.wedos.cz
- ns.wedos.eu
- ns.wedos.net
- MX
-
- 10 b8bd053ff13ee730.mx2.emailprofi.seznam.cz
- 20 b8bd053ff13ee730.mx1.emailprofi.seznam.cz
Email authentication strong
- SPF
-
v=spf1 include:spf.seznam.cz ~allsoftfail (~all) - DMARC
-
v=DMARC1; p=quarantine; adkim=r; aspf=r;policy: quarantine - DKIM
- no key found at common selectors
Certificate (current)
R13
Expires in 61 days
HTTP security headers
- present
-
- strict-transport-security
- x-frame-options
- findings
-
- missing Content Security Policy
- missing content type protection
- missing Referrer Policy
- missing Permissions Policy
Header values
- x-frame-options
SAMEORIGIN- strict-transport-security
max-age=63072000