indexo.dev

topbusinessgmbh.com

.com crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 1892 ms crawled 2026-06-01

DE · 78.46.3.45 · AS24940 Hetzner Online GmbH

Reputation 100/100

Classifying

HTML metadata

Title
Telecommunication Training & Consulting - TOP Business GmbH
Description
We have been accompanying our customers for over 30 years on the difficult path of rapid development in the telecommunications industry.
Language
en
Generator
Contao Open Source CMS

Open Graph

url
https://www.topbusinessgmbh.com/en/home
title
Telecommunication Training & Consulting - Making Know-how Work!
description
Our strength is to develop, high-quality and pedagogical, didactically valuable trainings and further education for partners and to conduct them according to international and high technical standards.

Technology

Server
Apache
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • cdn.jsdelivr.net×2
  • www.googletagmanager.com×1

Contact

Email
Phone

Registration

Registrar
Hetzner Online GmbH
Created
2012-10-15
Expires
2026-10-15 133 days left
Updated
2025-11-25
Name servers
  • ns.second-ns.com
  • ns1.your-server.de
  • ns3.second-ns.de

DNS records live

NS
  • ns.second-ns.com
  • ns1.your-server.de
  • ns3.second-ns.de
MX
  • 10 mx01.hornetsecurity.com
  • 20 mx02.hornetsecurity.com
  • 30 mx03.hornetsecurity.com
  • 40 mx04.hornetsecurity.com
Verified for
  • Google

Email authentication strong

SPF
v=spf1 include:spf.hornetsecurity.com -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; sp=quarantine; ruf=mailto:postmaster@grundig-akademie.de; adkim=r; aspf=s; rf=afrf; ri=86400;
policy: quarantine · sp=quarantine
DKIM
no key found at common selectors

Certificate (current)

Encryption Everywhere DV TLS CA - G2
from 2026-04-22 to 2026-11-07
Expires in 156 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 80/100 Checked live page: https://www.topbusinessgmbh.com/en/home

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • missing Content Security Policy
Header values
referrer-policy
no-referrer-when-downgrade, strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
permissions-policy
interest-cohort=()
x-content-type-options
nosniff
strict-transport-security
max-age=31536000

Links to (3)

Linked from (2)