allbau.de

.de crawl

First seen 2026-04-13 · Last seen 2026-05-15 · ok HTTP/1.1 200 806 ms crawled 2026-05-06

DE · 78.46.3.223 · AS24940 Hetzner Online GmbH

Reputation 95/100 weak security headers

sector real estate type homepage

HTML metadata

Title: Der Allbau: Essens erste Adresse für attraktive Mietwohnungen
Description: Der Allbau ist Essens größter Anbieter von Mietwohnungen ✓ Servicestark, kinderfreundlich, seniorengerecht ✓ Alle Stadtteile ✓ Willkommen zu Hause!
Language: de-DE
Generator: TYPO3 CMS
Canonical: https://www.allbau.de/

Open Graph

title: Ihre Mietwohnung in Essen!
image:url: https://www.allbau.de/fileadmin/_processed_/e/9/csm_Teaser_Mietwohnungen_in_Essen_928c3aad30.jpg
description: Der Allbau ist Essens größter Anbieter von Mietwohnungen ✓ Servicestark, kinderfreundlich, seniorengerecht ✓ Alle Stadtteile ✓ Willkommen zu Hause!

Technology

Server: Apache

Social

Contact

Phone

00492012207123

Registration

Updated

2019-07-20

Name servers

ns1.dot-server.de.
ns2.dot-server.de.

DNS records live

NS

ns1.dot-server.de
ns2.dot-server.de

MX

0 mxbu.essen.de

TXT

Show 5 TXT records

apple-domain-verification=o7aA6a1qGCy3ryvm
cisco-ci-domain-verification=36cdacea541ab6064cd4cb859903e0071ef69200df8c4072b8d2744db8145692
_yuuorpd0udvuqnad64cawdciljnhpac
n9h225khsb46142j6pmqrbytx5x6drff
_p1a6o0d3wdlobqoyoij8lxktikna631

Email authentication strong

SPF: v=spf1 include:spf.emailsys.net include:spf.smtp.net include:spf.de.umantis.com include:spf.crsend.com include:spf.emailsignatures365.com include:_spf.aareon.com include:essen.de include:spf.datasec.de ~all
softfail (~all)
DMARC: v=DMARC1; p=reject; rua=mailto:68fee730@in.mailhardener.com; sp=reject; rf=afrf; ri=86400; adkim=r; aspf=s; ruf=mailto:68fee730@in.mailhardener.com
policy: reject (enforced) · sp=reject
DKIM: no key found at common selectors

Certificate (current)

GlobalSign ECC OV SSL CA 2018

from 2026-02-10 to 2027-03-14

Expires in 299 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.allbau.de/

present

x-content-type-options

findings

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

Header values

x-content-type-options: nosniff