stlb-bau-online.de

.de crawl

First seen 2026-04-21 · Last seen 2026-05-15 · ok HTTP/1.1 200 2314 ms crawled 2026-05-15

US · 150.171.109.34 · AS8075 Microsoft Corporation

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: STLB-Bau Online - Ausschreibungstexte, Leistungsbeschreibungen, Leistungsverzeichnisse, Standardleistungsbuch, GAEB
Description: STLB-Bau Online liefert aktuelle, produktneutrale, DIN-konforme und VOB-gerechte Ausschreibungstexte für Bauleistungen aus 77 Leistungsbereichen
Language: de

Technology

CDN: Azure Front Door

Registration

Updated

2020-01-23

Name servers

ns1-07.azure-dns.com.
ns2-07.azure-dns.net.
ns3-07.azure-dns.org.
ns4-07.azure-dns.info.

DNS records live

NS

ns1-07.azure-dns.com
ns2-07.azure-dns.net
ns3-07.azure-dns.org
ns4-07.azure-dns.info

MX

0 stlbbauonline-de01bb.mail.protection.outlook.com

Email authentication weak

SPF: v=spf1 include:spf.protection.outlook.com include:spf.mtasv.net -all
strict (-all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

GeoTrust TLS RSA CA G1

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

Expires in 111 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.stlb-bau-online.de/

findings

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

Links to (18)

Linked from (3)