didaktis.cz

HTML metadata

Technology

Server

nginx

Analytics

• Google Tag Manager

Third-party hosts loaded (2)

• maps.googleapis.com×1
• www.googletagmanager.com×1

DNS records live

NS

• ns1.regzone.cz
• ns1.regzone.de
• ns1.regzone.info

MX

• 0 didaktis-cz.mail.protection.outlook.com

Email authentication partial

SPF

v=spf1 a mx include:spf.protection.outlook.com include:spf.smartemailing.cz include:mailgun.org -all

strict (-all)

DMARC

v=DMARC1; p=none; rua=mailto:dmarc+681271@smartemailing.cz; fo=1

policy: none (monitoring only)

DKIM

no key found at common selectors

Certificate (current) wrong cert

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.didaktis.cz/?m=p-pi:17592188567765

present

• strict-transport-security

findings

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

Linked from (1)

• koaliceucebnicovychnakladatelu.cz×1