indexo.dev

21group.at

.at crawl

First seen 2026-05-20 · Last seen 2026-05-27 · ok HTTP/1.1 200 2599 ms crawled 2026-05-27

AT · 81.19.159.57 · AS8560 IONOS SE

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
21 Group AG
Description
Die 21 Group schafft eine einzigartige Lösungskette: Einen Kreislauf aus Beratung, Marketing, Emissionsabwicklung sowie strategischen Umsetzungen.
Language
de
Canonical
https://www.21group.at/

Open Graph

url
https://www.21group.at/
title
21 Group AG - beschafft Kapital
locale
de_DE
site name
21 Group AG
description
Die 21 Group schafft eine einzigartige Lösungskette: Einen Kreislauf aus Beratung, Marketing, Emissionsabwicklung sowie strategischen Umsetzungen.

Technology

Server
Apache
CMS
WordPress

Third-party hosts loaded (1)

  • assets.calendly.com×2

Social

Contact

Email
Phone

DNS records live

NS
  • ns1.world4you.at
  • ns2.world4you.at
MX
  • 0 mx01.hornetsecurity.com
  • 1 mx02.hornetsecurity.com
  • 10 mx04.hornetsecurity.com
  • 15 mail.21group.at
  • 5 mx03.hornetsecurity.com
Verified for
  • Google
  • Microsoft 365

Email authentication partial

SPF
v=spf1 include:spf.protection.outlook.com ip4:81.10.155.102 ip4:81.19.145.23 include:spf.hornetsecurity.com include:148494937.spf05.hubspotemail.net -all
strict (-all)
DMARC
v=DMARC1; p=none; rua=mailto:dmarc@techbold.at; ruf=mailto:dmarc@techbold.at; ri=86400; aspf=r; fo=1
policy: none (monitoring only)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCbkZbJnXxmEUPuHg1cKWVrPobztltBOJjIIU+UAz91e061MDweJiINXtgZXplmRMxCwX2430p0WwV+IuKX+V…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqsJyHhiSfEQ0tv43tnh4orEeKp7+1H4Z3tv8CTbtOyYQ+P5SPMCuleAFK+l/A3xOK/SJWz0481c7Yh…
selectors probed

Certificate (current)

R13
from 2026-03-29 to 2026-06-27
Expires in 26 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.21group.at/

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

Links to (5)

Linked from (1)