indexo.dev

berufskolleg-troisdorf.de

.de crawl

First seen 2026-05-13 · Last seen 2026-05-19 · ok HTTP/1.1 200 3392 ms crawled 2026-05-19

FR · 92.205.54.91 · AS21499 Host Europe GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Georg Kerschensteiner Berufskolleg Troisdorf – Gesundheit/Soziales, Technik & Berufsvorbereitung (Fachschule Kunststofftechnik)
Language
de
Generator
WordPress 6.7.5
Canonical
https://www.berufskolleg-troisdorf.de/
Feeds

Technology

Server
nginx
CMS
WordPress
Cookie consent
  • Cookiebot

Third-party hosts loaded (4)

  • www.schulministerium.nrw.de×4
  • consent.cookiebot.com×1
  • gmpg.org×1
  • localhost×1

Social

Contact

Email
Phone

Registration

Updated
2022-05-31
Name servers
  • ns81.domaincontrol.com.
  • ns82.domaincontrol.com.

DNS records live

NS
  • ns81.domaincontrol.com
  • ns82.domaincontrol.com
MX
  • 100 mxlb.ispgateway.de
TXT
  • 6618vpu38vj8rpi1nnv6nac5v3

Email authentication weak

SPF
v=spf1 mx a include:ispgateway.de ip4:46.252.18.142 ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Starfield Secure Certificate Authority - G2
from 2025-06-17 to 2026-06-17
Expires in 27 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked live page: https://www.berufskolleg-troisdorf.de/

present
  • permissions-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
Header values
permissions-policy
private-state-token-redemption=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com"), private-state-token-issuance=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com")

Links to (7)

Linked from (1)