indexo.dev

c4systems-solutions.com

.com crawl

First seen 2026-04-22 · Last seen 2026-05-16 · ok HTTP/1.1 200 8127 ms crawled 2026-05-16

DE · 185.237.65.104 · AS15817 Mittwald CM Service GmbH & Co. KG

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Home - c4systems
Language
en-US
Generator
TYPO3 CMS
Canonical
https://www.c4systems-solutions.com/

Technology

Server
Apache

Registration

Registrar
Hetzner Online GmbH
Created
2025-02-03
Expires
2027-02-03 259 days left
Updated
2026-03-11
Name servers
  • helium.ns.hetzner.de
  • hydrogen.ns.hetzner.com
  • oxygen.ns.hetzner.com

DNS records live

NS
  • helium.ns.hetzner.de
  • hydrogen.ns.hetzner.com
  • oxygen.ns.hetzner.com
MX
  • 0 c4systemssolutions-com02c.mail.protection.outlook.com
TXT
  • MS=ms51723803

Email authentication weak

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

Certificate (current)

R13
from 2026-03-24 to 2026-06-22
Expires in 33 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.c4systems-solutions.com/

present
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff

Links to (1)

Linked from (1)