indexo.dev

koelnbusiness.de

.de crawl

First seen 2026-05-15 · Last seen 2026-05-15 · ok HTTP 200 556 ms crawled 2026-05-20

DE · 81.173.194.3 · AS8422 NetCologne Gesellschaft fur Telekommunikation mbH

Reputation 87/100 weak security headers no dmarc policy

Registration

Updated
2025-10-29
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 koelnbusiness-de.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

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

Certificate (current)

E8
from 2026-04-22 to 2026-07-21
Expires in 61 days

Full certificate history on crt.sh ↗

Linked from (1)