indexo.dev

arbeit4null.com

.com crawl

First seen 2026-05-02 · Last seen 2026-05-02 · ok HTTP/1.1 200 1203 ms crawled 2026-05-09

DE · 188.64.57.33 · AS200062 Optitrust GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Startseite | Arbeit 4.0
Description
Startseite
Language
de

Technology

Third-party hosts loaded (1)

  • cdn.bistum-aachen.de×5

Contact

Email
Phone

Registration

Registrar
rockenstein AG
Created
2018-08-02
Expires
2026-08-02 74 days left
Updated
2025-08-03
Name servers
  • ns.hrb.de
  • ns1.rox.net
  • ns2.rox.net

DNS records live

NS
  • ns.hrb.de
  • ns1.rox.net
  • ns2.rox.net
MX
  • 10 mail1.rox.net
  • 20 mail2.rox.net

Email authentication weak

SPF
v=spf1 a mx include:spf.rockenstein.de -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-03-03 to 2026-06-01
Expires in 12 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://arbeit4null.com/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=63072000; includeSubDomains; preload

Links to (6)

Linked from (1)