indexo.dev

cronn.de

.de crawl

First seen 2026-04-22 · Last seen 2026-05-16 · ok HTTP/1.1 200 2674 ms crawled 2026-05-16

DE · 217.160.0.21 · AS8560 IONOS SE

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
cronn GmbH - wir entwickeln software
Description
Individuelle Softwareentwicklung aus Köln/Bonn, Hamburg und Białystok. Wir führen Ihr Projekt zum Erfolg durch agil entwickelte Software mit modernen Technologien.
Language
de
Canonical
https://www.cronn.de/
Translations
  • de
  • en

Open Graph

url
https://www.cronn.de/
title
cronn GmbH - wir entwickeln software
locale
de
description
Individuelle Softwareentwicklung aus Köln/Bonn, Hamburg und Białystok. Wir führen Ihr Projekt zum Erfolg durch agil entwickelte Software mit modernen Technologien.

Technology

Server
Apache
Analytics
  • Fathom

Third-party hosts loaded (2)

  • cdn.usefathom.com×1
  • salesviewer.org×1

Social

Contact

Email
Address
Portlandweg 4, 53227, Bonn, Germany

Registration

Updated
2024-09-13
Name servers
  • ns1079.ui-dns.biz.
  • ns1079.ui-dns.com.
  • ns1079.ui-dns.de.
  • ns1079.ui-dns.org.

DNS records live

NS
  • ns1079.ui-dns.biz
  • ns1079.ui-dns.com
  • ns1079.ui-dns.de
  • ns1079.ui-dns.org
MX
  • 0 cronn-de.mail.protection.outlook.com
TXT
Show 4 TXT records
  • atlassian-domain-verification=vW8rTRqeHaa8JowGPFtMtN5n52ZB59rj9fzgopQgyhesudxL1yiylXY1BMdVQaLQ
  • OSSRH-68533
  • google-site-verification=5UNb3OusJWKy2M-mjpFPRrZkGjkFUvAq60WsRYeWxU8
  • apple-domain-verification=acaqmHpCrEmMxdNo

Email authentication partial

SPF
v=spf1 ip4:78.46.1.18 include:spf.protection.outlook.com include:148248574.spf06.hubspotemail.net -all
strict (-all)
DMARC
v=DMARC1; p=none
policy: none (monitoring only)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwKjVm4Ak7aE9aV3BHOmoc0YrOxLQjGygrgMda/gg2xc+Qw3UYW47jv7S2jt24DH4Fp9ri/7dwjYV/m…
selectors probed

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-11-30 to 2026-12-15
Expires in 209 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (6)

Linked from (1)