indexo.dev

oldenbourg-verlag.de

.de crawl

First seen 2026-04-23 · Last seen 2026-05-19 · ok HTTP 200 12569 ms crawled 2026-05-17

DE · 212.87.34.220 · AS12512 CBXNET combox internet GmbH

Reputation 67/100 wrong cert no dmarc policy

Registration

Updated
2019-09-06
Name servers
  • ns1.cbxnet.de.
  • ns3.cbxnet.de.

DNS records live

NS
  • ns1.cbxnet.de
  • ns3.cbxnet.de
MX
  • 0 oldenbourgverlag-de02e.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvwWyCQnznGAxbRiWqEa/Ori6KMe5tLBoVehZEgqxL7YYVtrp8p063XUW4J6Vm9MK4XC0M4hXTYUXYt…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAo0UJzzSsriGVzOgtt6CjC8xV/eEYTwmwpCpjx6RtPpd7ZCLr0NBjxct/e8j6/e7ByD6BJudE+ykjpB…
selectors probed

Certificate (current) wrong cert

R12
from 2026-04-22 to 2026-07-21
Expires in 61 days

Full certificate history on crt.sh ↗

Linked from (2)