indexo.dev

ruf-akademie.de

.de crawl

First seen 2026-04-14 · Last seen 2026-05-07 · ok HTTP/1.1 200 220 ms crawled 2026-05-08

DE · 185.254.246.78 · AS204065 OXITGEN AG

Reputation 95/100 weak security headers

Classifying

Technology

Server
Microsoft-IIS

Registration

Updated
2019-10-23
Name servers
  • ns1.eib-rz.de.
  • ns2.eib-rz.de.
  • ns3.eib-rz.de.

DNS records live

NS
  • ns1.eib-rz.de
  • ns2.eib-rz.de
  • ns3.eib-rz.de
MX
  • 10 smail-exotap.dts-security.de
TXT
  • xt1aZk0PB1l8YpvZ8ZwymiZ/Oh9U/EZ2U7uxV9+P9jEWYRtWJmWxBBDFHjZN18JS4WHT31z2EGbm3p36RzS4/Q==
Verified for
  • Microsoft 365

Email authentication strong

SPF
v=spf1 mx include:smtp.eib-rz.de include:spf1.dts-security.de -all
strict (-all)
DMARC
v=DMARC1;p=reject;sp=reject;adkim=r;aspf=r
policy: reject (enforced) · sp=reject
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-09-29 to 2026-10-06
Expires in 138 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://ruf-akademie.de/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Linked from (1)