indexo.dev

otto-brentzel.com

.com crawl

First seen 2026-04-26 · Last seen 2026-05-19 · ok HTTP/1.1 200 3729 ms crawled 2026-05-19

DE · 81.169.145.95 · AS6724 Strato GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
OTTO BRENTZEL – Dübel und Anker für den Betonstraßenbau Stahlverarbeitung e.K.
Description
Seit über fünf Jahrzehnten beliefert die Firma OTTO BRENTZEL Stahlverarbeitung e.K. zuverlässig Betonstraßenbaufirmen im In- und Ausland.
Language
de

Technology

Server
Apache

Third-party hosts loaded (1)

  • maps.google.de×1

Contact

Email

Registration

Registrar
Cronon GmbH
Created
2008-01-31
Expires
2027-01-31 256 days left
Updated
2026-02-01
Name servers
  • docks10.rzone.de
  • shades18.rzone.de

DNS records live

NS
  • docks10.rzone.de
  • shades18.rzone.de
MX
  • 10 ottobrentzel-com01b.mail.protection.outlook.com
TXT
  • ms19947440

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1;p=reject;
policy: reject (enforced)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw6L0O2acGPP9DmclXjL9AQRAxfs+xFdsb/X7S5vJk2ZziiLxVnmZC6tpsG2arwXsAx0cwx0DswHAIY…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtWuHmXNG8H/xtBNT5dw6koiIjiOge1kzW0RvvcOIrRyO1gZC3e4Ltv1Gy2KtHWLKpkYI4SW0Qf8/Ub…
selectors probed

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-11-05 to 2026-11-27
Expires in 191 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.otto-brentzel.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 (3)