indexo.dev

bildungsfreaks.de

.de crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 433 ms crawled 2026-05-18

DE · 18.185.253.144 · AS16509 Amazon.com, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
bildungsfreaks: Smarter lernen. Smarter unterrichten.
Description
Die ultimative Lernplattform zum Lernen und Teilen – Jederzeit und überall. Made in Germany.
Language
en

Technology

Server
Apache

Registration

Updated
2020-07-06
Name servers
  • ns1041.ui-dns.de.
  • ns1051.ui-dns.biz.
  • ns1103.ui-dns.com.
  • ns1124.ui-dns.org.

DNS records live

NS
  • ns1041.ui-dns.de
  • ns1051.ui-dns.biz
  • ns1103.ui-dns.com
  • ns1124.ui-dns.org
MX
  • 10 mx00.ionos.de
  • 10 mx01.ionos.de
Verified for
  • Google

Email authentication partial

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

Certificate (current)

R13
from 2026-04-07 to 2026-07-06
Expires in 47 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://bildungsfreaks.de/

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

Linked from (1)