indexo.dev

ruhrmusikschulen.de

.de crawl

First seen 2026-04-21 · Last seen 2026-05-18 · ok HTTP/1.1 200 4258 ms crawled 2026-05-15

DE · 178.63.222.239 · AS24940 Hetzner Online GmbH

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
RuhrMusikschulen
Description
Beschreibung und Angebot der Musikschulen des VdM im Ruhrgebiet
Language
de

Technology

Server
nginx

Third-party hosts loaded (1)

  • cdn.jsdelivr.net×4

Registration

Updated
2022-04-03
Name servers
  • helium.ns.hetzner.de.
  • hydrogen.ns.hetzner.com.
  • oxygen.ns.hetzner.com.

DNS records live

NS
  • helium.ns.hetzner.de
  • hydrogen.ns.hetzner.com
  • oxygen.ns.hetzner.com
MX
  • 10 mail.ruhrmusikschulen.de
Verified for
  • Brevo
  • Google

Email authentication partial

SPF
v=spf1 a mx ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com
policy: none (monitoring only)
DKIM
  • default: v=DKIM1; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCfYuIy/tA0uZ9p7zAp9OP3cvJRdbfr2gBxfxCDz7PjV5+aVBYIkeZh/ZV3p5w1F8FvJfs9OKYbF+48FdMWvpPe+NFlU…
  • mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…
selectors probed

Certificate (current)

R13
from 2026-03-31 to 2026-06-29
Expires in 39 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://ruhrmusikschulen.de/

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

Links to (44)

Linked from (2)