indexo.dev

rottmann-ventures.de

.de crawl

First seen 2026-04-29 · Last seen 2026-05-08 · ok HTTP/1.1 200 260 ms crawled 2026-05-07

DE · 167.235.115.180 · AS24940 Hetzner Online GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Rottmann Ventures GmbH · Immobilien · Vermietung · Unternehmensbeteiligungen · Consulting by Ralf Rottmann
Description
Immobilien, Vermietung, Unternehmensbeteiligungen, Pro Light and Sound by Ralf Rottmann.
Language
en

Open Graph

url
https://rv.do
title
Rottmann Ventures GmbH
site name
Rottmann Ventures GmbH
description
Immobilien, Vermietung, Unternehmensbeteiligungen, Pro Light and Sound by Ralf Rottmann.

Technology

Server
nginx

Social

Registration

Updated
2022-06-27
Name servers
  • ns2.inwx.de.
  • ns3.inwx.eu.
  • ns.inwx.de.

DNS records live

NS
  • ns.inwx.de
  • ns2.inwx.de
  • ns3.inwx.eu
MX
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
  • openpgp4fpr:69ad2d79fcc86744c48166bb655468f3b72f6ac8
  • google-site-verification=jZmUVhDxRRhBTykXpmRgUR2wzO-aFfXlK3PYXIN0kYE

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-13 to 2026-07-12
Expires in 54 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://rottmann-ventures.de/

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

Links to (1)

Linked from (3)