indexo.dev

bau4u.ch

.ch crawl

First seen 2026-06-01 · Last seen 2026-06-03 · ok HTTP/1.1 200 629 ms crawled 2026-06-02

CH · 80.74.147.33 · AS21069 METANET AG

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Bau4U AG – Alles aus einer Hand
Description
Alles aus einer Hand! LEHRSTELLE 2026 Rohrleitungsbau Tief- & Strassenbau Richtpress Vortrieb Kanalsanierung
Language
de
Canonical
https://bau4u.ch/
Feeds

Open Graph

url
https://bau4u.ch/
locale
de_DE
site name
Bau4U AG
description
Alles aus einer Hand! LEHRSTELLE 2026 Rohrleitungsbau Tief- & Strassenbau Richtpress Vortrieb Kanalsanierung

Technology

Server
nginx
CMS
WordPress
jQuery
3.7.1
Analytics
  • Google Tag Manager

Third-party hosts loaded (4)

  • www.unserebroschuere.ch×2
  • www.facebook.com×1
  • www.google.com×1
  • www.googletagmanager.com×1

Social

Contact

Email
Phone

DNS records live

NS
  • ns1.amphora.sui-inter.net
  • ns2.amphora.sui-inter.net
MX
  • 10 bau4u-ch.mail.protection.outlook.com
Verified for
  • Google
  • Microsoft 365

Email authentication weak

SPF
v=spf1 ip4:83.173.197.134 include:spf.protection.outlook.com ~all
softfail (~all)
DMARC
not published
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA+Z7+jZsSBrF2UvE+jG7Yqb8B4VAmzztbmBckwgLVnMAg1cKjo5azHBrT5wYR1ctZUq6oRoqjFabatc…
selectors probed

Certificate (current)

R13
from 2026-05-23 to 2026-08-21
Expires in 78 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://bau4u.ch/

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

Links to (2)

Linked from (2)