indexo.dev

derdiedaf.com

.com crawl

First seen 2026-05-04 · Last seen 2026-05-11 · ok HTTP/1.1 200 2627 ms crawled 2026-05-11

DE · 134.122.87.144 · AS14061 DigitalOcean, LLC

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Description
Das derdieDaF-Portal bietet Lehrenden im DaF-/DaZ-Bereich alles für ihren Unterricht: Kopiervorlagen, Unterrichtsideen, Veranstaltungen und eine Jobbörse
Language
de
Canonical
https://www.derdiedaf.com/startseite/s-1

Open Graph

url
https://www.derdiedaf.com/startseite/s-1
title
Startseite
locale
de_DE
site name
derdieDaF-Portal
description
Das derdieDaF-Portal bietet Lehrenden im DaF-/DaZ-Bereich alles für ihren Unterricht: Kopiervorlagen, Unterrichtsideen, Veranstaltungen und eine Jobbörse

Technology

Server
nginx
CMS
Next.js

Third-party hosts loaded (2)

  • res.cloudinary.com×13
  • rybbit.wirth-horn.de×1

Social

Contact

Address
st Klett Sprachen GmbH 2026

Registration

Registrar
InterNetX GmbH
Created
2017-09-01
Expires
2026-09-01 104 days left
Updated
2025-09-02
Name servers
  • ns11.zainternet.net
  • ns7.za-internet.net
  • ns8.za-domain.de

DNS records live

NS
  • ns11.zainternet.net
  • ns7.za-internet.net
  • ns8.za-domain.de
MX
  • 10 mx01.hornetsecurity.com
  • 20 mx02.hornetsecurity.com
  • 30 mx03.hornetsecurity.com
  • 40 mx04.hornetsecurity.com
TXT
  • MS=ms20986765
  • google-site-verification=h2Od8ItBvMGP7TUj7EmK-UGBth1tHlmKewEFcZz1Pbk.

Email authentication weak

SPF
v=spf1 a mx a:creomail.sure7.eu ip4:94.186.152.96/28 ip4:83.169.1.219 ip4:176.28.44.213 ip4:80.149.228.231 include:_spf.wirth-horn.de include:inxserver.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E7
from 2026-05-07 to 2026-08-05
Expires in 78 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.derdiedaf.com/

present
  • strict-transport-security
  • content-security-policy
  • x-content-type-options
findings
  • CSP allows unsafe inline scripts/styles
  • CSP uses wildcard sources
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff
content-security-policy
default-src 'self' *.wirth-horn.de 'unsafe-eval' 'unsafe-inline' https://www.youtube-nocookie.com https://web.inxmail.com https://responder.wt-safetag.com; img-src data: *; media-src data: *; style-src 'self' data: 'unsafe-inline' *.wirth-horn.de; font-src data: 'self';
strict-transport-security
max-age=15768000

Links to (6)

Linked from (1)