sigs.de

.de crawl

First seen 2026-04-14 · Last seen 2026-05-14 · ok HTTP/1.1 200 1999 ms crawled 2026-05-07

DE · 136.243.214.83 · AS24940 Hetzner Online GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: SIGS.de - Fachinformationen für IT-Profis
Description: Das Wissensportal für IT-Professionals. Entdecke die Tiefe und Breite unseres IT-Contents in exklusiven Themenchannels und Magazinmarken.
Language: de
Canonical: https://www.sigs.de/

Open Graph

url: https://sigs.de
title: SIGS
site name: SIGS
description: Das Wissensportal für IT-Professionals. Entdecke die Tiefe und Breite unseres IT-Contents in exklusiven Themenchannels und Magazinmarken.

Technology

Server: nginx
CMS: Gatsby

Analytics

Google Tag Manager

Cookie consent

Cookiebot

Third-party hosts loaded (3)

consent.cookiebot.com×2
www.googletagmanager.com×1
yatta.de×1

Social

Contact

Phone

+4922412341100

Address

Lindlaustraße 2c, 53842 Troisdorf

Registration

Updated

2021-05-06

Name servers

ns1.plusserver.com.
ns2.plusserver.com.
ns3.plusserver.com.

DNS records live

NS

ns1.plusserver.com
ns2.plusserver.com
ns3.plusserver.com

MX

10 mx-a.psmanaged.com
10 mx-b.psmanaged.com
20 mx-c.psmanaged.com

Email authentication weak

SPF: not published
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-04-28 to 2026-07-27

Expires in 69 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://www.sigs.de/

present

x-frame-options
x-content-type-options
referrer-policy
cross-origin-opener-policy

findings

missing HSTS
missing Content Security Policy
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: DENY
x-content-type-options: nosniff
cross-origin-opener-policy: same-origin-allow-popups