sackmann-lernportal.de

HTML metadata

Technology

Server

nginx

Analytics

• Google Tag Manager

Cookie consent

• Cookiebot

Third-party hosts loaded (4)

• v-h.media×2
• cdn.jsdelivr.net×1
• consent.cookiebot.com×1
• www.googletagmanager.com×1

Contact

Phone

• 1750752475

Registration

Updated

2025-12-05

Name servers

• ns81.domaincontrol.com.
• ns82.domaincontrol.com.

DNS records live

NS

• ns81.domaincontrol.com
• ns82.domaincontrol.com

MX

• 10 mx01.hornetsecurity.com
• 20 mx02.hornetsecurity.com
• 30 mx03.hornetsecurity.com
• 40 mx04.hornetsecurity.com

TXT

• v=spf1 a include:spf.protection.outlook.com include:spf.mailjet.com include:spf.hornetsecurity.com -all

Verified for

• Brevo
• Google
• Microsoft 365

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://sackmann-lernportal.de/

present

• x-frame-options

findings

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

Links to (5)

• digithek.de×2
• handwerksblatt.de×2
• missmisterhandwerk.de×2
• vh-buchshop.de×2
• vh-medien.de×2

Linked from (4)

• digithek.de×2
• digithek.info×2
• vh-kiosk.de×2
• vh-kiosk.com×1