indexo.dev

arnold-erbe.de

.de crawl

First seen 2026-05-04 · Last seen 2026-05-17 · ok HTTP/1.1 200 1860 ms crawled 2026-05-11

DE · 188.40.30.125 · AS24940 Hetzner Online GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Arnold & Erbe GmbH

Technology

Server
Apache

Registration

Updated
2018-06-18
Name servers
  • ns1.first-ns.de.
  • robotns2.second-ns.de.
  • robotns3.second-ns.com.

DNS records live

NS
  • ns1.first-ns.de
  • robotns2.second-ns.de
  • robotns3.second-ns.com
MX
  • 10 arnolderbe-de01e.mail.protection.outlook.com

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-26 to 2026-07-25
Expires in 67 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://arnold-erbe.de/

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

Links to (2)

Linked from (2)