indexo.dev

steuerlehrgaenge.de

.de crawl

First seen 2026-04-14 · Last seen 2026-05-12 · ok HTTP 200 880 ms crawled 2026-05-07

DE · 5.9.194.117 · AS24940 Hetzner Online GmbH

Reputation 87/100 weak security headers no dmarc policy

Registration

Updated
2026-02-18
Name servers
  • ns13.domaincontrol.com.
  • ns14.domaincontrol.com.

DNS records live

NS
  • ns13.domaincontrol.com
  • ns14.domaincontrol.com
MX
  • 10 mx.steuerlehrgaenge.com
TXT
  • cisco-ci-domain-verification=3659aba629bb5911cc6233bda91a308deb451b132e3cd19420baaf13394cbcc1

Email authentication weak

SPF
v=spf1 a mx ip4:5.9.194.114 ip4:5.9.194.115 ip4:5.9.194.116 ip4:5.9.194.117 ip4:136.243.30.2 ip4:136.243.67.169 ip4:78.46.78.135 ip6:2a01:4f8:212:21a1::2 ip6:2a01:4f8:120:3463::2 include:mailgun.org -all
strict (-all)
DMARC
not published
DKIM
  • dkim: v=DKIM1; h=sha256; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1E14N+g0N9HAAUkl5noyvTiZYe4aPQYgz8YpTJvD2vyMVKCltCfa+YRGkBcr58Qm6eyc…
selectors probed

Certificate (current)

R13
from 2026-03-09 to 2026-06-07
Expires in 18 days

Full certificate history on crt.sh ↗

Linked from (1)