indexo.dev

grothe-bau.de

.de crawl

First seen 2026-05-09 · Last seen 2026-05-15 · ok HTTP/1.1 200 2068 ms crawled 2026-05-15

DE · 37.228.155.55 · AS45012 dogado GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Grothe Bau GmbH: Wir bauen den Norden!
Language
de-DE
Generator
TYPO3 CMS
Canonical
https://www.grothe-bau.de/

Open Graph

title
Grothe Bau - Wir bauen den Norden.
image:url
https://www.grothe-bau.de/fileadmin/_processed_/b/6/csm_Logo_Grothe_15323fe3cf.svg

Technology

Server
Apache

Social

Contact

Email
Phone

Registration

Updated
2007-12-09
Name servers
  • docks10.rzone.de.
  • shades08.rzone.de.

DNS records live

NS
  • docks10.rzone.de
  • shades08.rzone.de
MX
  • 10 grothebau-de01e.mail.protection.outlook.com

Email authentication strong

SPF
v=spf1 a:k62817.coveto.de include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc@grothe-bau.de; ruf=mailto:dmarc@grothe-bau.de; fo=1; pct=100
policy: quarantine
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5PK6WoIihzE4c2I7DEIZYWCEnTsn/EUdmF6k/DmsGIicdbq8Bp2WI+8fS/3D+gp3Dgb/bv6CUd9urk…
selectors probed

Certificate (current)

R13
from 2026-04-02 to 2026-07-01
Expires in 42 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.grothe-bau.de/

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

Links to (6)

Linked from (2)