indexo.dev

schlau-lernen.org

.org crawl

First seen 2026-04-13 · Last seen 2026-05-19 · ok HTTP/1.1 200 398 ms crawled 2026-05-06

DE · 217.154.86.215 · AS8560 IONOS SE

Reputation 97/100 dmarc monitor-only

sector education type homepage

HTML metadata

Title
SchlaU:Lernen: Lernplattform für DaZ-Lehrkräfte
Description
Online-Plattform rund um DaZ | kostenlose Unterrichtsmaterialien & Weiterbildungen, große Auswahl, praxisnahe Themen
Language
de
Canonical
https://www.schlau-lernen.org/
Feeds

Open Graph

url
https://www.schlau-lernen.org/
title
SchlaU:Lernen: Lernplattform für DaZ-Lehrkräfte
locale
de_DE
site name
SchlaU:Lernen
description
Online-Plattform rund um DaZ | kostenlose Unterrichtsmaterialien & Weiterbildungen, große Auswahl, praxisnahe Themen

Technology

Server
nginx
CMS
WordPress

Third-party hosts loaded (1)

  • gmpg.org×1

Social

Registration

Registrar
IONOS SE
Created
2020-07-20
Expires
2026-07-20 60 days left
Updated
2025-09-03
Name servers
  • ns1079.ui-dns.org
  • ns1056.ui-dns.biz
  • ns1111.ui-dns.de
  • ns1116.ui-dns.com

DNS records live

NS
  • ns1056.ui-dns.biz
  • ns1079.ui-dns.org
  • ns1111.ui-dns.de
  • ns1116.ui-dns.com
MX
  • 10 mx00.ionos.de
  • 10 mx01.ionos.de

Email authentication strong

SPF
v=spf1 include:_spf-eu.ionos.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:reports@schlau-werkstatt.de;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-03-14 to 2026-06-12
Expires in 22 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.schlau-lernen.org/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=15768000; includeSubDomains

Links to (5)

Linked from (1)