cmkchb.cz
HTML metadata
Technology
- Server
- Heroku
- Fonts
-
- Google Fonts
Third-party hosts loaded (2)
- unpkg.com×3
- fonts.googleapis.com×1
DNS records live
- NS
-
- ns.wedos.com
- ns.wedos.cz
- ns.wedos.eu
- ns.wedos.net
- MX
-
- 10 mail.nemec.eu
Email authentication weak
- SPF
-
v=spf1 a mx ip4:89.221.215.176 ip4:46.28.110.20 ip6:2a02:2b88:2:1::472f:1 ip6:2a02:2b88:2:4b0::1 ~allsoftfail (~all) - DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current)
E8
Expires in 31 days
HTTP security headers
- present
-
- strict-transport-security
- x-frame-options
- x-content-type-options
- referrer-policy
- findings
-
- missing Content Security Policy
- missing Permissions Policy
Header values
- referrer-policy
strict-origin-when-cross-origin- x-frame-options
SAMEORIGIN- x-content-type-options
nosniff- strict-transport-security
max-age=63072000; includeSubDomains