indexo.dev

business4school.de

.de crawl

First seen 2026-04-14 · Last seen 2026-05-07 · ok HTTP/1.1 200 1740 ms crawled 2026-05-07

DE · 45.76.80.205 · AS20473 The Constant Company, LLC

Reputation 100/100

Classifying

HTML metadata

Title
Business4School – WIRTSCHAFT FÜR DIE SCHULE
Language
de
Generator
WordPress 6.9.4
Canonical
https://www.business4school.de/
Feeds

Technology

Server
nginx
CMS
WordPress
Social widgets
  • YouTube Embed

Third-party hosts loaded (1)

  • www.youtube.com×1

Social

Contact

Phone

Registration

Updated
2025-12-04
Name servers
  • ns-1445.awsdns-52.org.
  • ns-1964.awsdns-53.co.uk.
  • ns-221.awsdns-27.com.
  • ns-883.awsdns-46.net.

DNS records live

NS
  • ns-1445.awsdns-52.org
  • ns-1964.awsdns-53.co.uk
  • ns-221.awsdns-27.com
  • ns-883.awsdns-46.net
MX
  • 10 inbound-smtp.eu-west-1.amazonaws.com

Email authentication strong

SPF
v=spf1 include:amazonses.com a:mailu.wpmudev.host +a +mx -all
strict (-all)
DMARC
v=DMARC1;p=quarantine;pct=100;fo=1
policy: quarantine
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-01 to 2026-07-30
Expires in 70 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://www.business4school.de/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • short HSTS max-age
  • missing Content Security Policy
Header values
referrer-policy
origin-when-cross-origin
x-frame-options
sameorigin
permissions-policy
accelerometer=(self), autoplay=(self), camera=(self), encrypted-media=(self), fullscreen=(self), geolocation=(self), gyroscope=(self), magnetometer=(self), microphone=(self), midi=(self), payment=(self), usb=(self)
x-content-type-options
nosniff
strict-transport-security
max-age=2592000

Links to (2)

Linked from (1)