indexo.dev

tux4web.de

.de dns crawl

First seen 2026-05-02 · Last seen 2026-05-17 · ok HTTP/1.1 200 8018 ms crawled 2026-05-09

DE · 195.253.4.247 · AS8391 Knipp Medien und Kommunikation GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
tux4web.de
Language
en

Technology

Server
Apache

Registration

Updated
2018-08-14
Name servers
  • ns1.tux4web.de.
  • ns2.tux4web.de.
  • ns3.tux4web.de.

DNS records live

NS
  • ns1.tux4web.de
  • ns2.tux4web.de
  • ns3.tux4web.de
MX
  • 10 fry.tux4web.de
  • 20 bender.tux4web.de
  • 20 zoidberg.tux4web.de

Email authentication weak

SPF
v=spf1 mx ip4:195.253.4.240/28 ip4:195.138.62.128/26 -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-05-08 to 2026-08-06
Expires in 77 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.tux4web.de/

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

Links to (1)