cdo-aachen.de

HTML metadata

Technology

Server

Apache

CMS

Drupal

Social widgets

• YouTube Embed

Third-party hosts loaded (5)

• cdnjs.cloudflare.com×3
• analytics.fir.de×2
• cdn.jsdelivr.net×2
• stackpath.bootstrapcdn.com×1
• www.youtube-nocookie.com×1

Contact

Phone

• +49 241 47705-500

Registration

Updated

2023-09-19

Name servers

• nsa4.schlundtech.de.
• nsb4.schlundtech.de.
• nsc4.schlundtech.de.
• nsd4.schlundtech.de.

DNS records live

NS

• nsa4.schlundtech.de
• nsb4.schlundtech.de
• nsc4.schlundtech.de
• nsd4.schlundtech.de

Email authentication no MX

SPF

not published

DMARC

not published

DKIM

no key found at common selectors

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://cdo-aachen.de/en

present

• strict-transport-security
• x-frame-options
• x-content-type-options

findings

• missing Content Security Policy
• missing Referrer Policy
• missing Permissions Policy

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