systemimmo.de

.de crawl

First seen 2026-04-20 · Last seen 2026-05-16 · ok HTTP/1.1 200 2239 ms crawled 2026-05-14

DE · 176.28.37.56 · AS34011 Host Europe GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: Immobilien als Kapitalanlage, Eigentumswohnung kaufen, Vermietete Eigentumswohnung kaufen
Language: de

Technology

Server: Apache

Analytics

Google Tag Manager

Third-party hosts loaded (3)

hng.ag×10
www.hng-ag.de×3
www.googletagmanager.com×1

Social

Contact

Email

info@hng-ag.de

Phone

+496119491740

Registration

Updated

2021-01-13

Name servers

ns13.domaincontrol.com.
ns14.domaincontrol.com.

DNS records live

NS

ns13.domaincontrol.com
ns14.domaincontrol.com

MX

50 mx0.systemimmo.de

TXT

google-site-verification=jubci1WtrBi6prQiou-41hsb16kkazVWBbv44CuY5N8

Email authentication weak

SPF: v=spf1 a mx include:spf.server-he.de -all
strict (-all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

Starfield Secure Certificate Authority - G2

from 2025-08-09 to 2026-09-08

Expires in 111 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.systemimmo.de/

findings

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