indexo.dev

seminar-blaubeuren.de

.de crawl

First seen 2026-05-07 · Last seen 2026-05-14 · ok HTTP/1.1 200 1335 ms crawled 2026-05-14

DE · 217.160.100.234 · AS8560 IONOS SE

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Seminar Blaubeuren – Gymnasium mit Internat
Language
de
Generator
WordPress 6.9.4
Canonical
https://seminar-blaubeuren.de/
Feeds

Technology

Server
nginx
CMS
WordPress
Social widgets
  • YouTube Embed

Third-party hosts loaded (2)

  • gmpg.org×1
  • www.youtube-nocookie.com×1

Social

Contact

Email
Phone

Registration

Updated
2026-02-16
Name servers
  • ns.aces-it.de.
  • nsb2.schlundtech.de.

DNS records live

NS
  • ns.aces-it.de
  • nsb2.schlundtech.de
MX
  • 10 mail.seminar-blaubeuren.de
TXT
  • MS=A63980D4A36976A4B4658A28F626943C8A4C86C6
  • google-site-verification: uobyPInC3JpkaDwZ5233cSxPh-fhaCaT-jAgXUDr4dw

Email authentication weak

SPF
v=spf1 a mx a:mail.aces-online.de a:root08.aces-online.de ip4:78.94.83.42 ip4:2.207.142.70 ~a
no all qualifier
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-10 to 2026-08-08
Expires in 80 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://seminar-blaubeuren.de/

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

Links to (3)

Linked from (1)