doerrenberg.com

.com crawl

First seen 2026-04-17 · Last seen 2026-05-15 · ok HTTP/1.1 200 1932 ms crawled 2026-05-12

DE · 85.13.150.25 · AS34788 Neue Medien Muennich GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title

HOME: Dörrenberg Edelstahl GmbH

Language

Generator

TYPO3 CMS

Canonical

https://www.doerrenberg.com/

Translations

de-de
en-us

Open Graph

title: HOME

Technology

Server: Apache

Social

Contact

Email

Phone

+492263790

Registration

Registrar

Vautron Rechenzentrum AG

Created

2000-05-25

Expires

2026-05-25 5 days left

Updated

2024-12-17

Name servers

ns.oberberg-online.de
ns2.oberberg-online.de
ns3.oberberg-online.de

DNS records live

NS

ns.oberberg-online.de
ns2.oberberg-online.de
ns3.oberberg-online.de

MX

10 mx01.hornetsecurity.com
20 mx02.hornetsecurity.com
30 mx03.hornetsecurity.com
40 mx04.hornetsecurity.com

TXT

MS=ms63873034
teamviewer-sso-verification=41832f8a028d4cb0a174b0c2c770b0ec

Email authentication strong

SPF: v=spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ip4:212.102.241.208/29 -all
strict (-all)
DMARC: v=DMARC1; p=reject; pct=100; rua=mailto:re+omyxsmaszqt@dmarc.postmarkapp.com; sp=reject; aspf=r;
policy: reject (enforced) · sp=reject
DKIM: no key found at common selectors

Certificate (current)

from 2026-04-26 to 2026-07-25

Expires in 66 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.doerrenberg.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