3plusarch.de

.de crawl

First seen 2026-05-02 · Last seen 2026-05-20 · ok HTTP/1.1 200 2111 ms crawled 2026-05-08

DE · 81.169.145.94 · AS6724 Strato GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
3+architekten – Architekten und Stadtplaner
Language
de
Generator
WordPress 6.9.4
Canonical
https://3plusarch.de/
Feeds

Open Graph

url
https://3plusarch.de/
title
Startseite
site name
3+architekten

Technology

Server
Apache
CMS
WordPress
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×1
  • fonts.gstatic.com×1

Registration

Updated
2009-06-23
Name servers
  • docks01.rzone.de.
  • shades06.rzone.de.

DNS records live

NS
  • docks01.rzone.de
  • shades06.rzone.de
MX
  • 10 3plusarch-de.mail.protection.outlook.com

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com -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 2025-08-10 to 2026-09-01
Expires in 103 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://3plusarch.de/

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

Linked from (1)