indexo.dev

4s-elearning.de

.de crawl

First seen 2026-04-13 · Last seen 2026-05-05 · ok HTTP/1.1 200 3101 ms crawled 2026-05-05

DE · 49.12.147.21 · AS24940 Hetzner Online GmbH

Reputation 100/100

sector education type landing page

HTML metadata

Title
Lernbereich | 4S-Elearning
Language
de

Open Graph

url
https://4s-elearning.de/
title
4S-Elearning
updated time
1772619375

Technology

Server
Apache

Third-party hosts loaded (1)

  • cdn.jsdelivr.net×1

Registration

Updated
2021-03-09
Name servers
  • ns67.domaincontrol.com.
  • ns68.domaincontrol.com.

DNS records live

NS
  • ns67.domaincontrol.com
  • ns68.domaincontrol.com
MX
  • 50 mx0.4s-elearning.de
TXT
  • v=spf1 a a:hosteurope.de a:server04.soon-community.de ip4:80.237.132.0/20 ip6:2a01:488:42:1000:50ed:841b: ip4:176.28.34.133 ip6:2a01:488:42:1000:b01c:2285:ff8d::: mx -all

Certificate (current)

R13
from 2026-03-24 to 2026-06-22
Expires in 34 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://4s-elearning.de/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • CSP uses wildcard sources
Header values
referrer-policy
origin-when-cross-origin
x-frame-options
sameorigin
permissions-policy
camera=(self), microphone=(self), usb=(none), geolocation=(none), gyroscope=(none), magnetometer=(none)
x-content-type-options
nosniff
content-security-policy
*
strict-transport-security
max-age=31536000; includeSubDomains; preload

Links to (6)

Linked from (1)