dbd-online.de

.de crawl

First seen 2026-05-12 · Last seen 2026-05-19 · ok HTTP/1.1 200 2661 ms crawled 2026-05-18

US · 150.171.109.100 · AS8075 Microsoft Corporation

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: DBD-online.de - Dynamische BauDaten
Description: Marktführende Sammlung integrierter Baudaten ✔️ für Planung, Kostenschätzung, Ausschreibung und Angebotskalkulation im Bauwesen.
Language: de
Canonical: https://www.dbd-online.de/

Open Graph

title: DBD-online.de - Dynamische BauDaten
site name: DBD-online.de
description: Marktführende Sammlung integrierter Baudaten ✔️ für Planung, Kostenschätzung, Ausschreibung und Angebotskalkulation im Bauwesen.

Technology

CDN: Azure Front Door

Third-party hosts loaded (3)

storageaccountdbdonline.blob.core.windows.net×15
images.provenexpert.com×1
storageaccountnextbauweb.blob.core.windows.net×1

Contact

Email

Phone

036437781400

Registration

Updated

2020-01-08

Name servers

ns1-01.azure-dns.com.
ns2-01.azure-dns.net.
ns3-01.azure-dns.org.
ns4-01.azure-dns.info.

DNS records live

NS

ns1-01.azure-dns.com
ns2-01.azure-dns.net
ns3-01.azure-dns.org
ns4-01.azure-dns.info

MX

1 dbdonline-de0i.mail.protection.outlook.com

Email authentication strong

SPF

v=spf1 include:spf.protection.outlook.com -all

strict (-all)

DMARC

v=DMARC1; p=reject; rua=mailto:dmarc@dbd-online.de;

policy: reject (enforced)

DKIM

selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDC2Eqn9RnnXMO0ylvRrYg33DirY/DYhojnBsJ1ewbWgyaGeBSDnelL0b1ukbpo1AnEFC/Jv6Yck/p95/XYgH…
selector2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDKwsgHYsYADVsgjk9C+R0hXnyvTV9HXBz67/1IxJaAqch5OV9sZQtvmkHxyTpH/ICD0LutnVOy7gZeRl/+dR…

selectors probed

Certificate (current)

GeoTrust TLS RSA CA G1

from 2026-03-09 to 2026-09-10

Expires in 113 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://www.dbd-online.de/

present

strict-transport-security

findings

short HSTS max-age
missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

strict-transport-security: max-age=2592000