indexo.dev

qr-systems.de

.de crawl

First seen 2026-04-16 · Last seen 2026-05-07 · ok HTTP/1.1 200 298 ms crawled 2026-05-11

DE · 195.201.13.237 · AS24940 Hetzner Online GmbH

Reputation 62/100 wrong cert weak security headers no dmarc policy

Classifying

HTML metadata

Title
404

Technology

Server
nginx

Registration

Updated
2026-03-20
Name servers
  • ns1.your-server.de.
  • ns3.second-ns.de.
  • ns.second-ns.com.

DNS records live

NS
  • ns.second-ns.com
  • ns1.your-server.de
  • ns3.second-ns.de
MX
  • 10 www112.your-server.de

Email authentication weak

SPF
v=spf1 +a +mx ?all
neutral (?all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current) wrong cert

R13
from 2026-04-17 to 2026-07-16
Expires in 57 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://qr-systems.de/

findings
  • checked over plain HTTP
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Linked from (1)

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