indexo.dev

redcert.eu

.eu crawl

First seen 2026-04-20 · Last seen 2026-05-10 · ok HTTP/1.1 200 839 ms crawled 2026-05-13

DE · 62.138.242.66 · AS61157 PlusServer GmbH

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Zertifizierungssystem REDcert

Technology

Server
Microsoft-IIS

DNS records live

NS
  • ns23.domaincontrol.com
  • ns24.domaincontrol.com
MX
  • 10 mx-01-eu-central-1.prod.hydra.sophos.com
  • 20 mx-02-eu-central-1.prod.hydra.sophos.com
TXT
  • sophos-domain-verification=530bced390f3bdd351365d80a66b4fe231dfcbc0
  • tksl87n3278nuni5ilgf2l0co0

Email authentication partial

SPF
v=spf1 include:spf.protection.outlook.com mx include:_spf_eucentral1.prod.hydra.sophos.com include:spf.mailjet.com -all
strict (-all)
DMARC
v=DMARC1; p=none; rua=mailto:dmarc@redcert.eu; fo=1
policy: none (monitoring only)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAs5jPqWOf7aDurI/DeRsSXpHGoRY5qQgGu3omT8Z/d58qBGLNFSs+0d7hrRmFg6vTGX2FpeH+3W1mOZ…
selectors probed

Certificate (current)

Starfield Secure Certificate Authority - G2
from 2025-05-06 to 2026-06-05
Expires in 16 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://redcert.eu/Default.aspx?ReturnUrl=%2f

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

Linked from (1)