indexo.dev

hollflachdachbau.de

.de crawl

First seen 2026-04-30 · Last seen 2026-05-19 · ok HTTP/1.1 200 1729 ms crawled 2026-05-08

DE · 167.71.54.21 · AS14061 DigitalOcean, LLC

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Holl Flachdachbau - Mit Kompetenz und Innovation gestalten wir die Zukunft des Flachdachs
Language
de
Canonical
https://www.hollflachdachbau.de/

Open Graph

url
https://www.hollflachdachbau.de/
title
Holl Flachdachbau
locale
de_DE
site name
Holl Flachdachbau

Technology

Server
nginx
CMS
WordPress
Analytics
  • Google Tag Manager
Cookie consent
  • Cookiebot

Third-party hosts loaded (3)

  • cdn.jsdelivr.net×3
  • consent.cookiebot.com×1
  • www.googletagmanager.com×1

Social

Contact

Email
Phone
Address
Alte Straße 6544143 Dortmund

Registration

Updated
2025-02-27
Name servers
  • ns1-09.azure-dns.com.
  • ns2-09.azure-dns.net.
  • ns3-09.azure-dns.org.
  • ns4-09.azure-dns.info.

DNS records live

NS
  • ns1-09.azure-dns.com
  • ns2-09.azure-dns.net
  • ns3-09.azure-dns.org
  • ns4-09.azure-dns.info
MX
  • 0 hollflachdachbau-de.mail.protection.outlook.com
  • 999 mx04.hornetsecurity.com
TXT
  • v=verifydomain MS=2547607
  • sophos-domain-verification=8d114185cea4295f687f098ba5db78337ab9459c485d0ec5d34b604098a3a80a
  • v=DMARC1; p=reject; rua=mailto:administrator@hollflachdachbau.de; ruf=mailto:administrator@hollflachdachbau.de; fo=1

Email authentication strong

SPF
v=spf1 ip4:195.4.208.15 include:spf.hornetsecurity.com include:spf.umantis.com include:spf.de.umantis.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; sp=quarantine
policy: quarantine · sp=quarantine
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu2RMjnZlWidulHiH9l4/KIIKLYkMm2dKS1ZJJAoFOyTf9dpHRgIvfe5XSrL8tuO4EpdtKwa3XuthZe…
selectors probed

Certificate (current)

R12
from 2026-04-06 to 2026-07-05
Expires in 46 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked live page: https://www.hollflachdachbau.de/

present
  • referrer-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Permissions Policy
Header values
referrer-policy
no-referrer-when-downgrade

Links to (13)

Linked from (2)