indexo.dev

4fb.de

.de dns crawl

First seen 2026-05-02 · Last seen 2026-05-02 · ok HTTP/1.1 200 596 ms crawled 2026-05-09

DE · 168.119.205.165 · AS24940 Hetzner Online GmbH

Reputation 94/100 dmarc monitor-only

sector b2b services type homepage

HTML metadata

Title
4fb – Verantwortung für komplexe Plattformen
Description
Wir übernehmen Gesamtverantwortung für komplexe digitale Plattformen – von der strategischen Konzeption bis zur langfristigen Weiterentwicklung. Für öffentliche Institutionen und Unternehmen.
Language
de
Canonical
https://www.4fb.de/

Open Graph

url
https://www.4fb.de/
title
4fb – Verantwortung für komplexe Plattformen
locale
de_DE
site name
4fb
description
Wir übernehmen Gesamtverantwortung für komplexe digitale Plattformen – von der strategischen Konzeption bis zur langfristigen Weiterentwicklung.

Technology

Server
Apache
CMS
Next.js

Contact

Email
Phone
Address
Frankfurt am Main, DE

Registration

Updated
2025-03-05
Name servers
  • a.ns14.net.
  • b.ns14.net.
  • c.ns14.net.
  • d.ns14.net.

DNS records live

NS
  • a.ns14.net
  • b.ns14.net
  • c.ns14.net
  • d.ns14.net
MX
  • 2 4fb-de.mail.protection.outlook.com
TXT
Show 6 TXT records
  • MS=ms70055997
  • google-site-verification=PgPVT3oQZdb04XduLR4trhuF_Zrmp7VureonLoTHnQI
  • google-site-verification=2NTa55G3PhNtqkMQrNXrEgDQxTsGBZ0qZCKEV3bFyOA
  • EqHSb/iRp0kyQsPHUlXtQJxndIFxCaJtQRU1IOJyzabbvWzq1UIg4/cvosZiQXsNf5aCKgc7GnPwAdVKkEb5fw==
  • google-site-verification=2uyfMbC5_J4Wruz3T0SqNGWcSdfUAgi-EwzlSHfivH0
  • atlassian-domain-verification=a/gdxIXAijIqRQ2Jh1MeWhJj7ny2ITAFPKsDRYJZUZTGffpdgVasCoq0pOxrCnaW

Email authentication partial

SPF
v=spf1 a mx include:_spf.4fb.de include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1; p=none
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-03-27 to 2026-06-25
Expires in 36 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://4fb.de/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • CSP allows unsafe inline scripts/styles
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
permissions-policy
camera=(), microphone=(), geolocation=(), payment=()
x-content-type-options
nosniff
content-security-policy
default-src 'self'; script-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline'; img-src 'self' data: https:; font-src 'self'; connect-src 'self'; object-src 'none'; frame-ancestors 'self'; base-uri 'self'; form-action 'self'; upgrade-insecure-requests
strict-transport-security
max-age=31536000; includeSubDomains

Linked from (1)