indexo.dev

rtb.de

.de crawl

First seen 2026-04-13 · Last seen 2026-05-06 · ok HTTP/1.1 200 1822 ms crawled 2026-05-06

DE · 78.46.152.21 · AS24940 Hetzner Online GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
RTB
Language
de
Generator
TYPO3 CMS
Canonical
https://www.rtb.de/

Technology

Server
Apache

Third-party hosts loaded (2)

  • cloud.ccm19.de×1
  • rhtbmatomo.ocmlabs.com×1

Registration

Updated
2025-12-01
Name servers
  • root-dns.netcup.net.
  • second-dns.netcup.net.
  • third-dns.netcup.net.

DNS records live

NS
  • root-dns.netcup.net
  • second-dns.netcup.net
  • third-dns.netcup.net
MX
  • 0 rtb-de.mail.protection.outlook.com
TXT
  • ms=ms89484307

Email authentication partial

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-03-16 to 2026-06-14
Expires in 26 days

Full certificate history on crt.sh ↗

HTTP security headers

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

Links to (8)

Linked from (1)