rybnicek.cz

Technology

Server

Apache

DNS records live

NS

• ns1.rybnicek.cz
• ns2.rybnicek.cz

MX

• 10 mail4.vybezek.net
• 50 mail1.vybezek.net

Verified for

• Google

Email authentication strong

SPF

v=spf1 mx -all

strict (-all)

DMARC

v=DMARC1;p=reject;pct=100;rua=mailto:petr@rybnicek.cz

policy: reject (enforced)

DKIM

no key found at common selectors

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://rybnicek.cz/

present

• x-frame-options

findings

• missing HSTS
• missing Content Security Policy
• missing content type protection
• missing Referrer Policy
• missing Permissions Policy