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cm3-online.de

.de ok HTTP/1.1 200 598 ms

First seen 2026-06-01 · Last seen 2026-06-16 · crawled 2026-06-16

DE · 134.99.32.48 · AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.

Reputation 89/100 weak security headers dmarc monitor-only

sector education type homepage

HTML metadata

Description
Für Euch. Vom Campus.
Language
de-DE
Generator
TYPO3 CMS
Canonical
https://www.cm3-online.de/

Open Graph

title
cm3
description
Für Euch. Vom Campus.

Technology

Server
Apache
Social widgets
  • YouTube Embed

Third-party hosts loaded (1)

  • www.youtube-nocookie.com×1

Registration

Updated
2020-06-24
Name servers
  • ns1021.ui-dns.org.
  • ns1053.ui-dns.biz.
  • ns1077.ui-dns.com.
  • ns1085.ui-dns.de.

DNS records live

NS
  • ns1021.ui-dns.org
  • ns1053.ui-dns.biz
  • ns1077.ui-dns.com
  • ns1085.ui-dns.de
MX
  • 10 mx00.ionos.de
  • 10 mx01.ionos.de

Email authentication partial

SPF
v=spf1 include:_spf-eu.ionos.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-11 to 2026-08-09
Expires in 49 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.cm3-online.de/

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

Linked from (1)

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