treuenburg.de

.de crawl

First seen 2026-04-22 · Last seen 2026-05-16 · ok HTTP/1.1 200 8104 ms crawled 2026-05-16

DE · 217.160.0.241 · AS8560 IONOS SE

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Startseite - TREUENBURG Group
Language
de-DE
Generator
WordPress 6.9.4
Canonical
https://www.treuenburg.de/
Translations
  • de
  • en
Feeds

Open Graph

url
https://www.treuenburg.de/
title
Startseite - TREUENBURG Group
locale
de_DE
site name
TREUENBURG Group
description
Die Treuenburg Group Über uns Die Treuenburg Group ist ein Immobilien- und Venture Capital-Investor mit Sitz in der Thüringer Landeshauptstadt Erfurt und klarem Fokus auf ihren Kernmarkt Mitteldeutschland.
locale:alternate
en_US

Technology

Server
Apache
CMS
WordPress

Third-party hosts loaded (2)

  • cdn-cookieyes.com×1
  • cdn.by.wonderpush.com×1

Social

Contact

Email

Registration

Updated
2020-07-08
Name servers
  • ns1025.ui-dns.de.
  • ns1029.ui-dns.org.
  • ns1065.ui-dns.com.
  • ns1115.ui-dns.biz.

DNS records live

NS
  • ns1025.ui-dns.de
  • ns1029.ui-dns.org
  • ns1065.ui-dns.com
  • ns1115.ui-dns.biz
MX
  • 0 treuenburg-de.mail.protection.outlook.com
TXT
  • brevo-code:1f1cb6dec214959c8757171383b0129d
  • linkedin-site-verification=50a14596-9107-4487-a290-43b4872c09c3

Email authentication partial

SPF
v=spf1 include:spf.protection.outlook.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com
policy: none (monitoring only)
DKIM
  • mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…
selectors probed

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-10-05 to 2026-10-20
Expires in 153 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.treuenburg.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 (1)