course-manager.de

.de crawl

First seen 2026-04-15 · Last seen 2026-05-12 · ok HTTP 200 1237 ms crawled 2026-05-10

DE · 91.215.74.154 · AS49609 Intersolute GmbH

Reputation 67/100 wrong cert no dmarc policy

Registration

Updated
2014-03-20
Name servers
  • ns1.ns-serve.net.
  • ns2.ns-serve.net.

DNS records live

NS
  • ns1.ns-serve.net
  • ns2.ns-serve.net
MX
  • 10 mail.mdc-customers.net

Email authentication weak

SPF
v=spf1 a mx include:_spf.michel-customers.net ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current) wrong cert

R12
from 2026-04-17 to 2026-07-16
Expires in 58 days

Linked from (9)