jaczech.org

HTML metadata

Technology

Server

Apache

CMS

WordPress 7.0

PHP

8.3.31 security-only

Analytics

• Google Tag Manager

Fonts

• Google Fonts

Third-party hosts loaded (5)

• fonts.googleapis.com×4
• www.googletagmanager.com×2
• cdn-cookieyes.com×1
• fonts.gstatic.com×1
• gmpg.org×1

Social

• facebook
• twitter
• linkedin
• youtube
• instagram

DNS records live

NS

• ns1.ignum.com
• ns2.ignum.cz

MX

• 1 smtp.google.com

Verified for

• Google
• Microsoft 365

Email authentication partial

SPF

v=spf1 include:spf.protection.outlook.com -all

strict (-all)

DMARC

v=DMARC1; p=none

policy: none (monitoring only)

DKIM

• selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzg0ZqfGCfQz8ja6l9PvKkZVeY+IB6uVQSJLeIsP7bkX2mMvViShk+vx2jwLVi7FKo8VDR+ak0cXh9/…
• selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1LeFVPUj7o5xxWbMzrJPNRDJGYoZSLtUmQ/DVjOZy+uMrnMqbwwXenHeTr8r/vsBEs7lIvmtpLXedD…

selectors probed

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://jaczech.org/

findings

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

Links to (6)

• darujme.cz×1
• facebook.com×1
• instagram.com×1
• linkedin.com×1
• twitter.com×1
• youtube.com×1

Linked from (8)

• skolablansko.cz×1
• purkynka.cz×1
• gjbi.cz×1
• gzastavka.cz×1
• oa-opava.cz×1
• svisv.cz×1
• ucime.se×1
• zatlanka.cz×1