indexo.dev

qseidon.de

.de crawl

First seen 2026-04-21 · Last seen 2026-05-12 · ok HTTP/1.1 200 4005 ms crawled 2026-05-15

US · 216.24.57.1 · AS397273 Render

Reputation 92/100 no dmarc policy

sector tech type homepage

HTML metadata

Title
Qseidon Security
Description
An advanced deep tech cybersecurity firm specializing in protecting complex digital systems against current and future threats.
Language
en
Canonical
https://qseidon.de

Open Graph

url
https://qseidon.de
title
Qseidon Security
site name
Qseidon Security
description
An advanced deep tech cybersecurity firm specializing in protecting complex digital systems against current and future threats.

Technology

CDN
Cloudflare
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • qtrypzzcjebvfcihiynt.supabase.co×1
  • www.googletagmanager.com×1

Registration

Updated
2021-08-28
Name servers
  • ns1050.ui-dns.org.
  • ns1058.ui-dns.biz.
  • ns1118.ui-dns.de.
  • ns1124.ui-dns.com.

DNS records live

NS
  • ns1050.ui-dns.org
  • ns1058.ui-dns.biz
  • ns1118.ui-dns.de
  • ns1124.ui-dns.com
MX
  • 0 qseidon-de.mail.protection.outlook.com
TXT
  • MS=ms27540592
  • v=verifydomain MS=5548856

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-05-09 to 2026-08-07
Expires in 79 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://qseidon.de/

present
  • strict-transport-security
  • x-content-type-options
  • referrer-policy
findings
  • missing Content Security Policy
  • missing frame protection
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-content-type-options
nosniff
strict-transport-security
max-age=31536000

Linked from (1)