indexo.dev

rehnig.de

.de crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 829 ms crawled 2026-06-01

DE · 87.230.62.22 · AS34011 Host Europe GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Startseite – REHNIG Breitbandnetze & Kabelfernsehen
Description
Die Rehnig-Firmengruppe ist ein bundesweit agierender Unternehmensverbund im Bereich Netzinfrastruktur, Rauchwarnmelder und Digitalisierung
Language
de
Generator
TYPO3 CMS
Canonical
https://www.rehnig.de/

Technology

Server
Apache

Contact

Phone

Registration

Updated
2021-01-18
Name servers
  • ns25.domaincontrol.com.
  • ns26.domaincontrol.com.

DNS records live

NS
  • ns25.domaincontrol.com
  • ns26.domaincontrol.com
MX
  • 10 firewall.rehnig.de
TXT
  • cis2ck2b6bo38oovr9pf0g3lq9
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 mx ip4:87.230.62.22 include:spf.protection.outlook.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Starfield Secure Certificate Authority - G2
from 2025-05-19 to 2026-06-18
Expires in 15 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.rehnig.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 (1)

Linked from (1)