haus-altenberg.de

.de crawl

First seen 2026-04-15 · Last seen 2026-05-11 · ok HTTP/1.1 200 1682 ms crawled 2026-05-11

US · 198.202.211.1 · AS209242 Cloudflare London, LLC

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: Haus Altenberg in Odenthal → Jugendfahrten, Tagungen & Unterkunft
Description: Erleben Sie Gemeinschaft im Haus Altenberg: Jugendfahrten, Tagungen & Unterkunft im Grünen – direkt am Altenberger Dom im Bergischen Land.
Language: en
Generator: Webflow
Canonical: https://www.haus-altenberg.de

Open Graph

title: Haus Altenberg in Odenthal → Jugendfahrten, Tagungen & Unterkunft

Technology

CDN: Cloudflare

Third-party hosts loaded (4)

cdn.prod.website-files.com×35
cdn.jsdelivr.net×2
d3e54v103j8qbb.cloudfront.net×1
unpkg.com×1

Social

Contact

Email

Phone

Address

Ludwig-Wolker-Str. 12, 51519, Odenthal, Nordrhein-Westfalen, DE

Registration

Updated

2024-04-27

Name servers

dns01-tld.t-online.de.
dns02-tld.t-online.de.

DNS records live

NS

dns01-tld.t-online.de
dns02-tld.t-online.de

MX

0 hausaltenberg-de01b.mail.protection.outlook.com

Email authentication weak

SPF

v=spf1 include:spf.protection.outlook.com -all

strict (-all)

DMARC

not published

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2kBOUrCNsrJeoLO4V9qntMdl6RJzZ8ImNxSD2EnSC1v4jq8UnJQyP+krS11zYDz2sdU7t+h9K1mKam…

selectors probed

Certificate (current)

WE1

from 2026-05-07 to 2026-08-05

Expires in 76 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.haus-altenberg.de/

present

strict-transport-security

findings

missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

strict-transport-security: max-age=31536000