indexo.dev

virtuelles-klassenbuch.de

.de crawl

First seen 2026-05-02 · Last seen 2026-05-20 · ok HTTP/1.1 200 2391 ms crawled 2026-05-09

DE · 81.14.185.49 · AS13045 htp GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Login
Language
en
Generator
RapidWeaver

Technology

Server
Apache

Registration

Updated
2015-12-04
Name servers
  • dns1.regsystem.net.
  • dns2.regsystem.net.
  • dns3.regsystem.net.

DNS records live

NS
  • dns1.regsystem.net
  • dns2.regsystem.net
  • dns3.regsystem.net
MX
  • 10 mail.e3cloud.de
Verified for
  • GlobalSign

Email authentication weak

SPF
v=spf1 a mx ptr a:mx.regio-cloud.net -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

GlobalSign GCC R6 AlphaSSL CA 2025
from 2026-04-14 to 2026-10-30
Expires in 162 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://virtuelles-klassenbuch.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 (2)