sion-communication.de

.de crawl

First seen 2026-05-15 · Last seen 2026-05-15 · ok HTTP/1.1 200 8582 ms crawled 2026-05-20

DE · 92.205.175.158 · AS21499 Host Europe GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
SIC Communication Düsseldorf | PR-Agentur & Medienarbeit seit 2006 | Kathrin Sion
Description
SIC Communication - Ihre PR-Agentur in Düsseldorf. 30 Jahre Journalismus-Erfahrung für erfolgreiche Medienarbeit, Pressearbeit & Social Media. Referenzen: Breidenbacher Hof, Casual Food, Noah Labs.
Language
de
Canonical
https://www.sion-communication.de

Open Graph

url
https://www.sion-communication.de
title
SIC Communication - PR & Medienarbeit Düsseldorf
locale
de_DE
site name
SIC Communication
description
Professionelle PR-Arbeit und Medienberatung mit 30 Jahren Journalismus-Erfahrung. Individuelle Strategien für erfolgreiche Pressearbeit.

Technology

Server
Apache
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • cdn.jsdelivr.net×7
  • fonts.googleapis.com×3
  • fonts.gstatic.com×1

Contact

Email
Phone
Address
Hölderlinstraße 5, 40474, Düsseldorf, NRW, DE

Registration

Updated
2026-02-11
Name servers
  • ns81.domaincontrol.com.
  • ns82.domaincontrol.com.

DNS records live

NS
  • ns81.domaincontrol.com
  • ns82.domaincontrol.com
MX
  • 0 sioncommunication-de01b.mail.protection.outlook.com
TXT
  • NETORGFT19352622.onmicrosoft.com

Email authentication weak

SPF
v=spf1 include:secureserver.net mx include:ispgateway.de ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Starfield Secure Certificate Authority - G2
from 2025-07-22 to 2026-08-10
Expires in 81 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://sion-communication.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 (1)