indexo.dev

heidelberg-congress.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-07 · ok HTTP/1.1 200 1098 ms crawled 2026-05-18

DE · 185.30.32.170 · AS48324 webgo GmbH

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
HEIDELBERG CONGRESS | DESIGNED TO PERFORM
Description
Heidelberg Congress Center ➤ Veranstaltungsräume für erfolgreiche internationale ✓ Kongresse ✓ Tagungen ✓ Messen und Events 📞 06221 6 79 17-10
Language
de-DE
Generator
All in One SEO (AIOSEO) 4.8.2
Canonical
https://heidelberg-congress.com/
Translations
  • de ×2
  • en ×2

Open Graph

url
https://heidelberg-congress.com/
title
HEIDELBERG CONGRESS | DESIGNED TO PERFORM
locale
de_DE
site name
Heidelberger Kultur- und Kongressgesellschaft mbH -
description
Heidelberg Congress Center ➤ Veranstaltungsräume für erfolgreiche internationale ✓ Kongresse ✓ Tagungen ✓ Messen und Events 📞 06221 6 79 17-10

Technology

Server
nginx
CMS
WordPress

Third-party hosts loaded (1)

  • gmpg.org×1

Social

Registration

Registrar
InterNetX GmbH
Created
2017-11-28
Expires
2026-11-28 191 days left
Updated
2025-11-29
Name servers
  • ns1.hd-it.eu
  • ns2.hd-it.eu
  • ns3.hd-it.eu

DNS records live

NS
  • ns1.hd-it.eu
  • ns2.hd-it.eu
  • ns3.hd-it.eu
MX
  • 1 heidelbergcongress-com02e.mail.protection.outlook.com
Verified for
  • Apple
  • Microsoft 365

Email authentication partial

SPF
v=spf1 ip4:78.94.139.153 include:spf.protection.outlook.com include:spf.nl2go.com include:_spf.kundenserver.de include:spf.academymaker.de -all
strict (-all)
DMARC
v=DMARC1; p=none; pct=100; ruf=mailto:postmaster@heidelberg-congress.com; rua=mailto:postmaster@heidelberg-congress.com
policy: none (monitoring only)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCxrenwOr/m4HaqYLaJtenIUEGPcWgcx2FBwS/FCzn0Y1YNZ+V4QDJDKBGutb2vhrN0RM79XZyomGApZ8Q6bT…
  • selector2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCtBHuI9ZdAz3LtgFnAbtQcNERCK/KpDs4MLHxmMQUZ4pj1TmAvM/xufXfKHdfWK4hq/wCkkmJG8FAYubs3aF…
selectors probed

Certificate (current)

R12
from 2026-04-27 to 2026-07-26
Expires in 67 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://heidelberg-congress.com/

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

Links to (3)

Linked from (1)