indexo.dev

aerzte-wirtschafts-institut.de

.de crawl

First seen 2026-05-10 · Last seen 2026-05-16 · ok HTTP/1.1 200 3056 ms crawled 2026-05-16

DE · 62.138.208.41 · AS61157 PlusServer GmbH

Reputation 92/100 no dmarc policy

sector b2b services type homepage

HTML metadata

Title
Willkommen im Ärzte -Wirtschafts-Institut
Description
IFU-Institut für Unternehmensführung, Steuerberater und Kanzlein | Über 20 Seminarorte ✓ Inhouse Schulungen ✓ E-Learning-Portal ► Jetzt ...
Language
de
Canonical
https://www.aerzte-wirtschafts-institut.de/de/

Open Graph

title
Willkommen im Ärzte -Wirtschafts-Institut

Technology

Server
Apache
Analytics
  • Google Tag Manager

Third-party hosts loaded (3)

  • cdn-4.convertexperiments.com×1
  • unpkg.com×1
  • www.googletagmanager.com×1

Social

Contact

Phone
Address
Kollegienweg 20, 53121, Deutschland, Bonn

Registration

Updated
2021-10-21
Name servers
  • ns1.dc-cluster.de.
  • ns2.dc-cluster.de.
  • ns3.dc-cluster.de.
  • ns4.dc-cluster.de.

DNS records live

NS
  • ns1.dc-cluster.de
  • ns2.dc-cluster.de
  • ns3.dc-cluster.de
  • ns4.dc-cluster.de
MX
  • 10 aerztewirtschaftsinstitut-de01e2e.mail.protection.outlook.com
TXT
  • 201812040843543ict3eeh2kxjhsh6uw3eq3644rkvw0i8c2oyi73bapmb3jezt4
Verified for
  • Dynamics 365
  • Google
  • Microsoft 365

Email authentication weak

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

Certificate (current)

Thawte TLS RSA CA G1
from 2025-11-20 to 2026-12-06
Expires in 199 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://www.aerzte-wirtschafts-institut.de/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • CSP uses wildcard sources
  • missing Permissions Policy
Header values
referrer-policy
no-referrer-when-downgrade
x-frame-options
sameorigin
x-content-type-options
nosniff
content-security-policy
connect-src 'self' https://bat.bing.com/ https://bat.bing.net/ https://*.clarity.ms/ https://v.clarity.ms/ https://s.clarity.ms/ https://u.clarity.ms/ https://z.clarity.ms/ ws://127.0.0.1:35729 https://www.google-analytics.com https://stats.g.doubleclick.net https://api.friendlycaptcha.com https://*.analytics.google.com https://cdn.linkedin.oribi.io https://j.clarity.ms https://*.hotjar.com https://*.hotjar.io wss://*.hotjar.com https://*.convertexperiments.com *.googleapis.com https://px.ads.linkedin.com/ https://*.google-analytics.com https://pagead2.googlesyndication.com https://*.google.com https://adservice.google.com https://www.googleadservices.com https://*.doubleclick.net https://wbstlds.com https://gnwgjc.ifu-institut.de https://vv7tqq.ifu-akademie.de https://google.de https://google.com https://mobile.events.data.microsoft.com *.algolia.net *.collanapay.com https://browser.events.data.microsoft.com https://www.googletagmanager.com *.algolia.io *.algolianet.com https://down
strict-transport-security
max-age=31536000; includeSubDomains; preload

Links to (5)

Linked from (1)