indexo.dev

c4-quadriga.eu

.eu crawl

First seen 2026-04-15 · Last seen 2026-05-20 · ok HTTP/1.1 200 3116 ms crawled 2026-05-10

DE · 85.13.132.156 · AS34788 Neue Medien Muennich GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
C4 Center for Negotiation - Verhandlungsausbildung & Beratung
Description
Das C4 Center for Negotiation bietet professionelle Verhandlungsausbildung, Beratung in erfolgskritischen Verhandlungen & Forschungsvorhaben.
Language
de-DE
Generator
WordPress 6.9.4
Canonical
https://www.c4-quadriga.eu/
Translations
  • de
  • en
Feeds

Open Graph

url
https://www.c4-quadriga.eu/
title
C4 Center for Negotiation - Verhandlungsausbildung & Beratung
locale
de_DE
site name
C4 Center for Negotiation
description
Das C4 Center for Negotiation bietet professionelle Verhandlungsausbildung, Beratung in erfolgskritischen Verhandlungen & Forschungsvorhaben.
locale:alternate
en_GB

Technology

Server
Apache
CMS
WordPress

Social

Contact

Email
Phone

DNS records live

NS
  • ns.second-ns.com
  • ns1.your-server.de
  • ns3.second-ns.de
MX
  • 0 c4quadriga-eu0e.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 redirect=_spf.quadriga.eu
no all qualifier
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-02 to 2026-07-01
Expires in 41 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.c4-quadriga.eu/

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

Links to (4)

Linked from (5)