indexo.dev

holtmann-management.com

.com crawl

First seen 2026-05-31 · Last seen 2026-05-31 · ok HTTP/1.1 200 726 ms crawled 2026-06-01

DE · 81.169.145.162 · AS6724 Strato GmbH

Reputation 95/100 weak security headers

sector b2b services type homepage

HTML metadata

Title
Holtmann | Beraten. Umsetzen. Qualität liefern.
Language
de
Canonical
https://holtmann-management.com/

Technology

Server
Apache
CMS
WordPress
PHP
8.1.34 end of life
jQuery
3.7.1

Social

Registration

Registrar
Cronon GmbH
Created
2019-07-03
Expires
2026-07-03 27 days left
Updated
2025-07-04
Name servers
  • docks06.rzone.de
  • shades08.rzone.de

DNS records live

NS
  • docks06.rzone.de
  • shades08.rzone.de
MX
  • 5 smtpin.rzone.de

Email authentication strong

SPF
not published
DMARC
v=DMARC1;p=reject;
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-06-14 to 2026-07-06
Expires in 30 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://holtmann-management.com/

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

Links to (1)

Linked from (1)