indexo.dev

koeln.business

.business user

First seen 2026-05-20 · Last seen 2026-05-20 · ok HTTP/1.1 200 255 ms crawled 2026-06-10

DE · 178.77.117.243 · AS20773 Host Europe GmbH

Reputation 87/100 weak security headers weak subdomain policy

Classifying

HTML metadata

Title
Wirtschaftsförderung in Köln | KölnBusiness
Description
Sie haben ein Unternehmen, möchten investieren, gründen oder in Köln arbeiten? Wir unterstützen Sie dabei. Mehr erfahren!
Language
de
Generator
TYPO3 CMS
Canonical
https://koeln.business
Translations
  • de
  • en
  • es
  • fr
  • pt
  • tr
  • zh

Technology

Server
Apache
Cookie consent
  • Cookiebot

Third-party hosts loaded (2)

  • consent.cookiebot.com×1
  • consentcdn.cookiebot.com×1

Social

Contact

Email
Phone
Address
Börsenplatz 1, 50667, Köln, DE

Registration

Registrar
RegistryGate GmbH
Created
2017-03-01
Expires
2027-03-01 263 days left
Updated
2026-04-15
Name servers
  • dns11.netcologne.de
  • dns12.netcologne.de
  • dns13.netcologne.de
  • dns14.netcologne.de

DNS records live

NS
  • dns11.netcologne.de
  • dns12.netcologne.de
  • dns13.netcologne.de
  • dns14.netcologne.de
MX
  • 0 koeln-business.mail.protection.outlook.com
TXT
Show 5 TXT records
  • 8d70d5mpes84dch3l81p6f0ne
  • hs5flcp8kruf250bgmfdpgoqb6
  • pardot990022=d7f7aa279ebc24d4bdd3bcb244d345f890f9adacabfabb42e9d7004d9cd9db26
  • jcvtgqckhh8kht99crqflp20mn
  • lvfgfn3b6bk1lp254qq2p69lir
Verified for
  • Apple
  • Brevo

Email authentication strong

SPF
v=spf1 a:mx01.rexx-systems.de a:koeln.business ip4:178.77.117.243 include:_spf.rexx-suite.com include:spf.protection.outlook.com include:spf.sendinblue.com include:ab.d.sender-sib.com ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; sp=none; rua=mailto:dmarc@mailinblue.com!10m; ruf=mailto:dmarc@mailinblue.com!10m; rf=afrf; pct=100; ri=86400
policy: quarantine · sp=none
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrnsOc2b5iKQ2tBEYwheiUZUgyCfP1Ct2qKy3UjaslshfPQ/flIoIsgJBbM1OVWkwWwCGV1JUwC8RNTK23+q…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvdtLiu2kWgsDLDzKDFCjKd+hHeGk1izUpTZuiDLNgfcP4BgudCkCOP5OSm9RsvZKbHjp7FHjtiIOjz…
  • mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…
selectors probed

Certificate (current)

Starfield Secure Certificate Authority - G2
from 2025-08-22 to 2026-09-21
Expires in 102 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://koeln.business/

present
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff

Links to (5)

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