bunsen-gymnasium.de

HTML metadata

Technology

Server

nginx

CMS

Joomla

Social widgets

• Vimeo Embed

Third-party hosts loaded (1)

• player.vimeo.com×1

Registration

Updated

2025-07-24

Name servers

• root-dns.netcup.net.
• second-dns.netcup.net.
• third-dns.netcup.net.

DNS records live

NS

• root-dns.netcup.net
• second-dns.netcup.net
• third-dns.netcup.net

MX

• 10 mail.bunsen-gymnasium.de
• 50 mx2fd8.netcup.net

Email authentication weak

SPF

v=spf1 mx a include:_spf.webhosting.systems ~all

softfail (~all)

DMARC

not published

DKIM

no key found at common selectors

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://bunsen-gymnasium.de/

present

• x-frame-options
• referrer-policy
• cross-origin-opener-policy

findings

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

Links to (8)

• vimeo.com×1
• swr.de×1
• schulorga-pro.de×1
• schule-ohne-rassismus.org×1
• mintzukunftschaffen.de×1
• meine-ganztagsschule.de×1
• heidelberg.de×1
• bunsengymnasium.de×1

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