indexo.dev

riesener-gymnasium.de

.de crawl

First seen 2026-05-10 · Last seen 2026-05-10 · ok HTTP/1.1 200 3589 ms crawled 2026-05-16

DE · 116.203.247.242 · AS24940 Hetzner Online GmbH

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Riesener Gymnasium – Europaschule in Nordrhein-Westfalen
Language
de
Generator
WordPress 6.9.4
Canonical
https://riesener-gymnasium.de/
Feeds

Open Graph

url
https://riesener-gymnasium.de/
title
Home
site name
Riesener Gymnasium

Technology

Server
Apache
CMS
WordPress
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • www.googletagmanager.com×2
  • gmpg.org×1

Social

Contact

Phone

Registration

Updated
2019-04-05
Name servers
  • ns1-tec.de.
  • ns2-tec.de.

DNS records live

NS
  • ns1.axcoredns.com
  • ns2.axcoredns.org
MX
  • 10 mail.riesener-gymnasium.de
TXT
  • MS=E83EAF9610544328D12DE93F126471506DA0118A
Verified for
  • Google

Email authentication partial

SPF
v=spf1 mx -all
strict (-all)
DMARC
v=DMARC1; p=none; rua=mailto:9e0aab28@mxtoolbox.dmarc-report.com;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

Encryption Everywhere DV TLS CA - G2
from 2025-09-06 to 2026-09-06
Expires in 107 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://riesener-gymnasium.de/

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

Links to (5)

Linked from (1)