indexo.dev

thrs-heidelberg.de

.de crawl

First seen 2026-05-07 · Last seen 2026-05-14 · ok HTTP/1.1 200 1938 ms crawled 2026-05-14

DE · 185.243.11.15 · AS197540 netcup GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Aktuelles – Theodor-Heuss-Realschule Heidelberg
Description
Die Webseite der Theodor-Heuss-Realschule in Heidelberg
Language
de-de
Generator
Joomla! - Open Source Content Management
Feeds

Technology

Server
nginx
CMS
Joomla

Contact

Email

Registration

Updated
2022-11-15
Name servers
  • root-dns.netcup.net.
  • second-dns.netcup.net.
  • third-dns.netcup.net.

DNS records live

NS
  • root-dns.netcup.net
  • second-dns.netcup.net
  • third-dns.netcup.net
MX
  • 10 mail.thrs-heidelberg.de
  • 50 rw0b0f.webhosting.systems

Email authentication weak

SPF
v=spf1 mx a include:_spf.webhosting.systems ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-03-29 to 2026-06-27
Expires in 38 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://thrs-heidelberg.de/cms/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • cross-origin-opener-policy
findings
  • CSP allows unsafe inline scripts/styles
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
content-security-policy
frame-src 'self' https://www.openstreetmap.org https://teamup.com; default-src 'self' 'unsafe-inline'; img-src 'self' blob: https://thrs-heidelberg.de data:; frame-ancestors 'self'
strict-transport-security
max-age=31536000
cross-origin-opener-policy
same-origin

Links to (5)

Linked from (1)