nextbau.de

.de crawl

First seen 2026-04-25 · Last seen 2026-05-19 · ok HTTP/1.1 200 2141 ms crawled 2026-05-18

NL · 137.117.211.244 · AS8075 Microsoft Corporation

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: nextbau – Baukalkulation, Ausschreibung, Nachträge
Description: nextbau ✔️ Bausoftware für Angebote, clevere Baukalkulationen, mühelose Ausschreibungen, VOB-sichere Nachträge und EFB-Preise ohne Mühe!
Language: de
Canonical: https://www.nextbau.de/

Open Graph

title: nextbau – Baukalkulation, Ausschreibung, Nachträge
site name: nextbau.de
description: nextbau ✔️ Bausoftware für Angebote, clevere Baukalkulationen, mühelose Ausschreibungen, VOB-sichere Nachträge und EFB-Preise ohne Mühe!

Technology

Third-party hosts loaded (1)

images.provenexpert.com×1

Contact

Phone

036437781400

Registration

Updated

2023-12-23

Name servers

ns1-33.azure-dns.com.
ns2-33.azure-dns.net.
ns3-33.azure-dns.org.
ns4-33.azure-dns.info.

DNS records live

NS

ns1-33.azure-dns.com
ns2-33.azure-dns.net
ns3-33.azure-dns.org
ns4-33.azure-dns.info

TXT

3rv0022622m8lrp2t227dj8no6
g63iti9r85ijc05u28n0j3rpoi

Email authentication no MX

SPF: not published
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

Go Daddy Secure Certificate Authority - G2

from 2026-04-09 to 2026-10-24

Expires in 156 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://www.nextbau.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