indexo.dev

mnu.de

.de crawl

First seen 2026-04-26 · Last seen 2026-05-19 · ok HTTP/1.1 200 750 ms crawled 2026-05-19

DE · 217.160.0.179 · AS8560 IONOS SE

Reputation 95/100 weak security headers

sector education type homepage

HTML metadata

Title
MNU - Verband zur Förderung des MINT-Unterrichts – MNU - Startseite
Description
Der „MNU - Verband zur Förderung des MINT-Unterrichts“ tritt seit 1891 für Qualität und Fortschritt in den mathematischen und naturwissenschaftlichen Schulfäche
Language
de-de
Generator
Joomla! - Open Source Content Management

Technology

Server
Apache
CMS
Joomla

Contact

Phone

Registration

Updated
2018-08-16
Name servers
  • ns1059.ui-dns.biz.
  • ns1059.ui-dns.com.
  • ns1059.ui-dns.de.
  • ns1059.ui-dns.org.

DNS records live

NS
  • ns1059.ui-dns.biz
  • ns1059.ui-dns.com
  • ns1059.ui-dns.de
  • ns1059.ui-dns.org
MX
  • 10 mx00.ionos.de
  • 10 mx01.ionos.de

Email authentication strong

SPF
v=spf1 include:_spf-eu.ionos.com include:_spf.mailersend.net ~all
softfail (~all)
DMARC
v=DMARC1;p=reject;pct=100;rua=mailto:gerhard.roehner@mnu.de
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2026-02-15 to 2027-03-02
Expires in 285 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://www.mnu.de

present
  • x-frame-options
  • referrer-policy
  • cross-origin-opener-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing content type protection
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
cross-origin-opener-policy
same-origin

Links to (1)

Linked from (4)