indexo.dev

arsu.de

.de crawl

First seen 2026-04-25 · Last seen 2026-05-19 · ok HTTP/1.1 200 428 ms crawled 2026-05-19

FR · 92.205.48.124 · AS21499 Host Europe GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Wir stellen uns vor | ARSU GmbH - Oldenburg
Description
Seit mehr als 40 Jahren Planungs-, Forschungs- und Umsetzungsprojekte in den Bereichen Umwelt, Ökologie, Ressourcenökonomie sowie Regionalentwicklung.
Language
de
Generator
AGENTUR77 - http://www.agentur-77.de
Canonical
https://www.arsu.de//de/Home/
Translations
  • en

Technology

Server
nginx

Social

Registration

Updated
2026-02-02
Name servers
  • ns81.domaincontrol.com.
  • ns82.domaincontrol.com.

DNS records live

NS
  • ns81.domaincontrol.com
  • ns82.domaincontrol.com
MX
  • 10 mx19a.antispameurope.com
  • 100 arsu-de.mail.protection.outlook.com
  • 20 mx19b.antispameurope.com
  • 30 mx19c.antispameurope.com
  • 40 mx19d.antispameurope.com
TXT
  • dvnqqf5r82fsnlh9tesbiqcihe
  • MS=ms95077799

Email authentication weak

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

Certificate (current)

Starfield Secure Certificate Authority - G2
from 2026-04-21 to 2026-11-04
Expires in 168 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.arsu.de/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (1)

Linked from (1)