indexo.dev

onnen-architekten.de

.de crawl

First seen 2026-05-01 · Last seen 2026-05-20 · ok HTTP/1.1 200 243 ms crawled 2026-05-08

DE · 81.169.145.148 · AS6724 Strato GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Onnen Architekten Ingenieure
Language
en

Technology

Server
Apache

Third-party hosts loaded (1)

  • cdnjs.cloudflare.com×1

Contact

Email

Registration

Updated
2023-10-09
Name servers
  • docks13.rzone.de.
  • shades07.rzone.de.

DNS records live

NS
  • docks13.rzone.de
  • shades07.rzone.de
MX
  • 10 d311732.a.ess.de.barracudanetworks.com
  • 20 d311732.b.ess.de.barracudanetworks.com
Verified for
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com include:spf.ess.de.barracudanetworks.com include:spf.eu.exclaimer.net -all
strict (-all)
DMARC
v=DMARC1;p=reject;
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-07-04 to 2026-07-26
Expires in 66 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://onnen-architekten.de/

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

Linked from (1)