indexo.dev

kontrastrechner.de

.de crawl

First seen 2026-04-22 · Last seen 2026-05-13 · ok HTTP/1.1 200 2404 ms crawled 2026-05-16

DE · 144.76.4.61 · AS24940 Hetzner Online GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Kontrastrechner ▷ Barrierefreiheit Check
Description
Interaktiver ✓Kontrastrechner: einfach ✓Farbkontraste für ✓Barrierefreiheit prüfen ▷ kostenloses Online-Tool.
Language
de
Canonical
https://kontrastrechner.de/
Translations
  • de
  • en

Open Graph

url
https://kontrastrechner.de/
title
Kontrastrechner ▷ Barrierefreiheit Check
locale
de_DE
site name
Kontrastrechner
description
Interaktiver ✓Kontrastrechner: einfach ✓Farbkontraste für ✓Barrierefreiheit prüfen ▷ kostenloses Online-Tool.

Technology

Server
Apache
CMS
WordPress

Third-party hosts loaded (2)

  • color-contrast-checker.com×2
  • vg07.met.vgwort.de×1

Contact

Email

Registration

Updated
2025-01-10
Name servers
  • ns1.antagus.de.
  • ns2.antagus.de.

DNS records live

NS
  • ns1.antagus.de
  • ns2.antagus.de
MX
  • 10 mx.firmenserver.org

Email authentication weak

SPF
v=spf1 a mx a:firmenserver.org -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-08 to 2026-08-06
Expires in 78 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://kontrastrechner.de/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
findings
  • missing Content Security Policy
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; includeSubDomains; preload

Links to (9)

Linked from (2)