indexo.dev

bu-jordan.de

.de crawl dns

First seen 2026-04-15 · Last seen 2026-05-13 · ok HTTP/1.1 200 1350 ms crawled 2026-05-09

DE · 116.203.46.75 · AS24940 Hetzner Online GmbH

Reputation 89/100 weak security headers dmarc monitor-only

sector education type homepage

HTML metadata

Title
Bildungsunternehmen Dr. Jordan
Language
de

Technology

Server
nginx
Analytics
  • Google Tag Manager
Cookie consent
  • Cookiebot

Third-party hosts loaded (4)

  • cdnjs.cloudflare.com×2
  • consent.cookiebot.com×2
  • www.googletagmanager.com×2
  • ajax.googleapis.com×1

Registration

Updated
2026-02-12
Name servers
  • nsa2.schlundtech.de.
  • nsb2.schlundtech.de.
  • nsc2.schlundtech.de.
  • nsd2.schlundtech.de.

DNS records live

NS
  • nsa2.schlundtech.de
  • nsb2.schlundtech.de
  • nsc2.schlundtech.de
  • nsd2.schlundtech.de
MX
  • 0 mx.bu-jordan.de
TXT
  • 25reports=08a61f65f40a92c8043377ba
  • vpn.bu-jordan.de
  • MS=65DB359EBF352F79162954D9387DED070F64060F
Verified for
  • Apple
  • Brevo
  • Meta

Email authentication partial

SPF
v=spf1 include:spf.sendinblue.com mx a ip4:5.10.177.163 ip4:88.99.186.214 ip4:217.92.66.24 a:mx.bu-jordan.de a:exchange2019.bu-jordan.de a:ex20.bu-jordan.de -all
strict (-all)
DMARC
v=DMARC1; p=none; pct=100; sp=none; rua=mailto:dmarc@25reports.com;rf=afrf; ri=86400;
policy: none (monitoring only) · sp=none
DKIM
  • mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…
selectors probed

Certificate (current)

R12
from 2026-03-09 to 2026-06-07
Expires in 17 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.bu-jordan.de/

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

Links to (8)

Linked from (2)