indexo.dev

blum-holzhaus.de

.de crawl

First seen 2026-05-05 · Last seen 2026-05-12 · ok HTTP/1.1 200 4418 ms crawled 2026-05-12

DE · 185.236.11.216 · AS51202 NUXOA GmbH

Reputation 100/100

Classifying

HTML metadata

Title
Home - Ch. Blum Holzbau GmbH
Description
Blum Holzbau: hochwertige Holzhäuser individuell geplant und gebaut. Einfamilienhäuser, Mehrfamilienhäuser & Objektbauten. Jetzt mehr erfahren!
Language
de
Generator
Contao Open Source CMS
Canonical
https://www.blum-holzhaus.de/

Technology

Server
nginx

Social

Contact

Email
Phone

Registration

Updated
2026-02-28
Name servers
  • ns1.grothe.it.
  • ns2.grothe.online.
  • ns3.grothe.it.
  • ns4.grothe.online.

DNS records live

NS
  • ns1.grothe.it
  • ns2.grothe.online
  • ns3.grothe.it
  • ns4.grothe.online
MX
  • 10 mx01.hornetsecurity.com
  • 20 mx02.hornetsecurity.com
  • 30 mx03.hornetsecurity.com
  • 40 mx04.hornetsecurity.com
Verified for
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
strict (-all)
DMARC
v=DMARC1;p=quarantine;pct=100
policy: quarantine
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-23 to 2026-07-22
Expires in 62 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 80/100 Checked live page: https://www.blum-holzhaus.de/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • missing Content Security Policy
Header values
referrer-policy
no-referrer-when-downgrade, strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
permissions-policy
interest-cohort=()
x-content-type-options
nosniff
strict-transport-security
max-age=15768000; includeSubDomains

Links to (1)

Linked from (1)