indexo.dev

cairos-systems.de

.de crawl

First seen 2026-04-20 · Last seen 2026-05-11 · ok HTTP/1.1 200 847 ms crawled 2026-05-14

US · 104.26.10.31 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

sector tech type homepage

HTML metadata

Title
Cairos Systems
Language
de

Technology

CDN
Cloudflare

Registration

Updated
2026-02-17
Name servers
  • ophelia.ns.cloudflare.com.
  • paul.ns.cloudflare.com.

DNS records live

NS
  • ophelia.ns.cloudflare.com
  • paul.ns.cloudflare.com
MX
  • 10 mx00.ionos.de
  • 10 mx01.ionos.de

Email authentication weak

SPF
v=spf1 include:_spf-eu.ionos.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-04-17 to 2026-07-16
Expires in 57 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://cairos-systems.de/

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

Links to (2)

Linked from (1)