big-bau.de

.de crawl

First seen 2026-04-24 · Last seen 2026-05-18 · ok HTTP/1.1 200 4731 ms crawled 2026-05-18

DE · 159.69.104.188 · AS24940 Hetzner Online GmbH

Reputation 100/100

sector real estate type homepage

HTML metadata

Title: BIG-BAU / Startseite
Description: Die BIG-BAU: Ihr Experte in der Projekt- und Flächenentwicklung und einer der größten deutschen Stadtentwickler. Wir entwickeln Zukunft.
Language: de
Generator: WordPress 6.9.4
Canonical: https://big-bau.de/

Open Graph

url: https://big-bau.de/
title: BIG-Bau Projekt- und Stadtentwicklung
locale: de_DE
site name: BIG-BAU
description: Die BIG-BAU: Ihr Experte in der Projekt- und Flächenentwicklung und Deutschlands größter Stadtentwickler. Wir entwickeln Zukunft – nachhaltig, sozial, innovativ.

Technology

Server: Apache
CMS: WordPress

Third-party hosts loaded (1)

gmpg.org×1

Social

Registration

Updated

2024-01-22

Name servers

ns1.telekom-domains.de.
ns2.telekom-domains.de.

DNS records live

NS

ns1.telekom-domains.de
ns2.telekom-domains.de

MX

10 mail.bigbaugruppe.de

TXT

sophos-domain-verification=aa23c73d6401f20e21b25917d7bcc92c1ac914a8f54de5d0cb0557be6a68394a

Email authentication strong

SPF

v=spf1 a:mail.bigbaugruppe.de ip4:87.253.160.212 ip4:87.253.160.213 ip4:213.133.104.158 ip4:116.203.247.10 ip4:159.69.104.188 -all

strict (-all)

DMARC

v=DMARC1;p=quarantine;pct=100

policy: quarantine

DKIM

dkim: k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1mPGvTFPLxMLTsW7uPZCqJCKg3pjqtNzSyWCRbPCCQmPVoIehXfXtEjhMvqQRJ7pVVQX7mRYhOxTYMckpZqiOyX…

selectors probed

Certificate (current)

Encryption Everywhere DV TLS CA - G2

from 2025-10-14 to 2026-10-14

Expires in 146 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://big-bau.de/

present

strict-transport-security
x-frame-options
x-content-type-options
referrer-policy

findings

missing Content Security Policy
missing Permissions Policy

Header values

referrer-policy: no-referrer-when-downgrade
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
strict-transport-security: max-age=63072000; includeSubDomains; preload