indexo.dev

messenger-matrix.de

.de crawl

First seen 2026-05-10 · Last seen 2026-05-16 · ok HTTP/1.1 200 3516 ms crawled 2026-05-16

DE · 46.38.242.112 · AS197540 netcup GmbH

Reputation 100/100

sector tech type blog

HTML metadata

Title
Messenger-Matrix • Kuketz IT-Security Blog
Description
Messenger: Vergleich sicherheits- und datenschutzrelevanter Eigenschaften von Messengern
Language
de-DE
Canonical
https://www.messenger-matrix.de/

Technology

Server
nginx

Registration

Updated
2026-04-28
Name servers
  • root-dns.netcup.net.
  • second-dns.netcup.net.
  • third-dns.netcup.net.

DNS records live

NS
  • root-dns.netcup.net
  • second-dns.netcup.net
  • third-dns.netcup.net

Email authentication no MX

SPF
v=spf1 -all
strict (-all)
DMARC
v=DMARC1; p=reject;
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-05-01 to 2026-07-30
Expires in 72 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://www.messenger-matrix.de/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • CSP allows unsafe inline scripts/styles
Header values
referrer-policy
same-origin
x-frame-options
DENY
permissions-policy
camera=(), microphone=()
x-content-type-options
nosniff
content-security-policy
default-src 'none'; img-src 'self'; style-src 'self' 'unsafe-inline'; script-src 'self' 'unsafe-inline'; font-src 'self'; base-uri 'none'; frame-ancestors 'none'; form-action 'none'; block-all-mixed-content
strict-transport-security
max-age=31536000; includeSubdomains; preload

Links to (6)

Linked from (1)