indexo.dev

holzmannverlag.de

.de dns

First seen 2026-05-02 · Last seen 2026-05-20 · pending crawled 2026-05-20 3 attempts

DE · 157.97.108.71 · AS8560 IONOS SE

Reputation 67/100 wrong cert no dmarc policy

ssl error: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self-signed certificate (_ssl.c:1000)

Registration

Updated
2010-08-11
Name servers
  • ns.holzmannverlag.de.
  • pns.dtag.de.
  • secondary006.dtag.net.

DNS records live

NS
  • ns.holzmannverlag.de
  • pns.dtag.de
  • secondary006.dtag.net
MX
  • 10 smtp2.holzmannverlag.de
  • 20 smtp3.holzmannverlag.de
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 mx -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current) wrong cert

FortiWEB
from 2023-01-30 to 2056-12-31
Expires in 11182 days

Full certificate history on crt.sh ↗