izus.cz

HTML metadata

Technology

Server

nginx

PHP

7.4.33 end of life

jQuery

3.1.1 known XSS (<3.5)

Stack

PHP

Ads

• Google Ads
• Meta Pixel

Fonts

• Google Fonts

Third-party hosts loaded (5)

• fonts.googleapis.com×2
• www.googleadservices.com×2
• ajax.googleapis.com×1
• cdn.jsdelivr.net×1
• connect.facebook.net×1

Social

• facebook
• youtube

DNS records live

NS

• ns1.thinline.cz
• ns2.thinline.cz
• ns3.cesky-hosting.eu

MX

• 10 mx1d10.thinline.cz
• 20 mx1b20.thinline.cz

Email authentication strong

SPF

v=spf1 a include:spf.cesky-hosting.cz include:_spf.google.com a:replikant2588.thinline.cz -all

strict (-all)

DMARC

v=DMARC1; p=reject; rua=mailto:chybykos@izus.cz; ruf=mailto:chybykos@izus.cz

policy: reject (enforced)

DKIM

no key found at common selectors

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.izus.cz/

findings

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

Links to (4)

• youtube.com×1
• wikizus.cz×1
• sensio.cz×1
• facebook.com×1

Linked from (4)

• zusmt.cz×1
• zusjes.cz×1
• zusledec.cz×1
• zusmimon.cz×1