indexo.dev

dernbacher-gruppe.de

.de dns

First seen 2026-05-04 · Last seen 2026-05-17 · ok HTTP 200 3243 ms crawled 2026-05-10

FR · 176.221.47.148 · AS8972 Host Europe GmbH

Reputation 64/100 wrong cert weak security headers dmarc monitor-only

Registration

Updated
2025-06-02
Name servers
  • ns71.domaincontrol.com.
  • ns72.domaincontrol.com.

DNS records live

NS
  • ns71.domaincontrol.com
  • ns72.domaincontrol.com
MX
  • 10 rz1fortimail01.dernbacher-gruppe.de
  • 20 mx20.dernbacher-gruppe.de
Verified for
  • Microsoft 365

Email authentication partial

SPF
v=spf1 a mx a:mx01.rexx-systems.de include:_spf.rexx-suite.com -all
strict (-all)
DMARC
v=DMARC1; p=none; ruf=mailto:dmarc@katharina-kasper-gruppe.de; fo=1
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current) wrong cert

webslave.ispgateway.de
from 2023-04-07 to 2050-08-23
Expires in 8860 days

Full certificate history on crt.sh ↗