indexo.dev

sidoun.de

.de crawl

First seen 2026-04-25 · Last seen 2026-05-15 · ok HTTP/1.1 200 1078 ms crawled 2026-05-18

US · 162.159.137.54 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
SIDOUN International GmbH entwickelt Software für Menschen
Description
Seit 50 Jahren steht SIDOUN für Exzellenz in Ausschreibung, Vergabe, Abrechnung und Baukalkulation.
Language
de
Generator
WordPress 6.9.4
Canonical
https://sidoun.de/
Feeds

Open Graph

url
https://sidoun.de/
title
SIDOUN International GmbH entwickelt Software für Menschen
locale
de_DE
site name
SIDOUN
description
Seit 50 Jahren steht SIDOUN für Exzellenz in Ausschreibung, Vergabe, Abrechnung und Baukalkulation.
updated time
2026-05-11T09:30:19+02:00

Technology

CDN
Cloudflare
CMS
WordPress
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • www.googletagmanager.com×2
  • c.leadlab.click×1

Social

Contact

Phone

Registration

Updated
2025-12-10
Name servers
  • cns1.alfahosting.info.
  • cns2.alfahosting.info.
  • cns3.alfahosting.info.

DNS records live

NS
  • cns1.alfahosting.info
  • cns2.alfahosting.info
  • cns3.alfahosting.info
MX
  • 0 sidoun-de.mail.protection.outlook.com
TXT
  • Ae1-92c-1f3
  • ca3-909b0692461a4a3a874ffa4e7f4b65ed
Verified for
  • Google

Email authentication weak

SPF
v=spf1 a ip4:162.159.136.54 include:secure-mailgate.com include:spf.crsend.com include:spf.antispamcloud.com include:antispamcloud.com include:spf.protection.outlook.com include:_spf.google.com ~all
softfail (~all)
DMARC
not published
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuNTqfVD1eXzt8hft83mFuSzBt29WHH0Gl+gCJ0itx1D1VTKK7zOwEcZDiJaP7UwBIwonN+y8njm0id…
selectors probed

Certificate (current)

WE1
from 2026-05-07 to 2026-08-05
Expires in 76 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://sidoun.de/

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

Links to (3)

Linked from (1)