mertens-gmbh.de

.de crawl

First seen 2026-05-01 · Last seen 2026-05-20 · ok HTTP/1.1 200 2717 ms crawled 2026-05-08

DE · 185.146.238.135 · AS38927 Net-Build GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Britta Mertens Immobilienverwaltung in Hamburg % Britta Mertens GmbH
Description
Britta Mertens GmbH, Immobilienverwaltung in Hamburg, Hausverwaltung in Hamburg, WEG Verwaltung und Mietverwaltung, Wohnungen in Hamburg
Language
de
Generator
WordPress 6.8.3
Canonical
https://www.mertens-gmbh.de/
Feeds

Open Graph

url
https://www.mertens-gmbh.de/
title
Britta Mertens Immobilienverwaltung in Hamburg % Britta Mertens GmbH
locale
de_DE
site name
Britta Mertens Immobilienverwaltung in Hamburg
description
Britta Mertens GmbH, Immobilienverwaltung in Hamburg, Hausverwaltung in Hamburg, WEG Verwaltung und Mietverwaltung, Wohnungen in Hamburg

Technology

Server
nginx
CMS
WordPress

Third-party hosts loaded (2)

  • sp-ao.shortpixel.ai×5
  • gmpg.org×1

Contact

Phone

Registration

Updated
2025-04-10
Name servers
  • pri-r02.nbgo.de.
  • sec-dns01.nbgo.de.

DNS records live

NS
  • pri-r02.nbgo.de
  • sec-dns01.nbgo.de
MX
  • 0 mertensgmbh-de01i.mail.protection.outlook.com
  • 10 mertensgmbh-de01i.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; adkim=s; aspf=s
policy: quarantine
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2026-01-30 to 2027-03-03
Expires in 286 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.mertens-gmbh.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 (1)