hartmann-os.com

.com crawl

First seen 2026-04-18 · Last seen 2026-05-15 · ok HTTP/1.1 200 4121 ms crawled 2026-05-12

DE · 81.169.145.64 · AS6724 Strato GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: Hartmann OS – Home
Language: de
Generator: TYPO3 CMS
Canonical: https://hartmann-os.com/

Open Graph

title: Home
locale: de

Technology

Server: Apache

Analytics

Google Tag Manager

Third-party hosts loaded (1)

www.googletagmanager.com×1

Social

Contact

Email

2679-0info@hartmann-os.com

Phone

2771 2679-0

Registration

Registrar

Cronon GmbH

Created

2004-03-25

Expires

2027-03-25 309 days left

Updated

2026-03-26

Name servers

docks02.rzone.de
shades11.rzone.de

DNS records live

NS

docks02.rzone.de
shades11.rzone.de

MX

10 hartmannos-com02b.mail.protection.outlook.com

TXT

Show 4 TXT records

MS=7472B4776B8CDAC0E51DB7CBF0430173B3576341
google-site-verification=_i5Cem1_GglIVagN2OwBvgM_UwtzoQhozEfL4_mN3Es
google-site-verification=TWeuweFq5fErZk_3HIqKBdW1ZvdhpW6YQvZ6-oHgPG4
MS=ms55827698

Email authentication weak

SPF

v=spf1 a mx ip4:93.241.213.48 ip4:87.128.62.231 ip4:80.151.145.61 ip4:217.91.143.2 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ~all

softfail (~all)

DMARC

not published

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAp9mpZu12BiZQ98hpNJFwjqhPyYcbcl2pCZOGeLymFRKVCH5N6yK24b5xOfaSlwLuoIxBK4ILNgQLs4…
selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzaYDmfc5wpO8idm9i+x9UYWVmuGufvMB6YzNThYa3nVKbRaIRXrJ/girPcB4k9ztKEb9fOIJXnxygi…

selectors probed

Certificate (current)

Sectigo Public Server Authentication CA DV R36

from 2025-11-13 to 2026-12-05

Expires in 199 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://hartmann-os.com/

present

x-content-type-options

findings

missing HSTS
missing Content Security Policy
missing frame protection
missing Referrer Policy
missing Permissions Policy

Header values

x-content-type-options: nosniff