dub.de

.de crawl

First seen 2026-04-16 · Last seen 2026-05-15 · ok HTTP/1.1 200 6942 ms crawled 2026-05-11

DE · 78.46.155.232 · AS24940 Hetzner Online GmbH

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: DUB.de - Unternehmensverkauf einfach gemacht
Description: Europas erfolgreichstes Portal für Unternehmensverkauf. Zahlreiche aktuelle Angebote. Für viele Branchen. Jetzt kostenfrei testen!
Language: de
Generator: TYPO3 CMS
Canonical: https://www.dub.de/

Open Graph

image:url: https://www.dub.de/fileadmin/_processed_/1/c/csm_dub-hero_a1cb11e37c.jpg

Technology

Server: Apache

Cookie consent

Usercentrics

Third-party hosts loaded (4)

web.cmp.usercentrics.eu×2
code.etracker.com×1
t.webmetic.de×1
www.facebook.com×1

Social

Registration

Updated

2025-09-05

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

0 dub-de.mail.protection.outlook.com
10 dedi3993.your-server.de

TXT

201803151134290pqegn0vye34gdcg6vnmea8vrt0nfftjnrdqaltz3f4s2hbvbl
MS=ms85336287
brevo-code:d4e918aa8533c59f6c98b824caa5e4e0

Email authentication partial

SPF

v=spf1 mx ip4:78.46.155.219 ip6:2a01:4f8:d0a:5261::2 include:spf.protection.outlook.com include:spf.mailjet.com include:4804905.spf01.hubspotemail.net -all

strict (-all)

DMARC

v=DMARC1;p=none;sp=none;pct=50;rua=mailto:dmarc@dub.de;ruf=mailto:dmarc@dub.de;adkim=r;aspf=r;

policy: none (monitoring only) · pct=50 · sp=none

DKIM

mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…

selectors probed

Certificate (current)

Encryption Everywhere DV TLS CA - G2

from 2025-09-15 to 2026-09-15

Expires in 119 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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