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vtbo.eu

.eu ok HTTP/1.1 200 797 ms

First seen 2026-05-27 · Last seen 2026-06-10 · crawled 2026-06-13

FR · 92.205.215.142 · AS21499 Host Europe GmbH

Reputation 84/100 spf without fallback no dmarc policy

Classifying

HTML metadata

Title
VTBO – Startseite
Description
Verein für technische Berufsausbildung Offenbach e.V.
Language
de-de
Generator
HELIX_ULTIMATE_GENERATOR_TEXT

Technology

Server
nginx

DNS records live

NS
  • ns11.domaincontrol.com
  • ns12.domaincontrol.com
MX
  • 0 vtbo-eu.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com
missing all
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Starfield Secure Certificate Authority - G2
from 2025-11-12 to 2026-11-26
Expires in 159 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://vtbo.eu/

present
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
unsafe-url
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff

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