indexo.dev

koelnkongress.de

.de crawl

First seen 2026-05-09 · Last seen 2026-05-09 · pending crawled 2026-05-20 2 attempts

DE · 81.173.194.3 · AS8422 NetCologne Gesellschaft fur Telekommunikation mbH

Reputation 92/100 no dmarc policy

ssl error: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: Hostname mismatch, certificate is not valid for 'www.koelncongress.de'. (_ssl.c:1000)

Registration

Updated
2022-06-14
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
  • 10 koelnkongress-de.mail.protection.outlook.com

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)

E8
from 2026-04-04 to 2026-07-03
Expires in 42 days

Full certificate history on crt.sh ↗

Linked from (1)