syswelt.de

.de crawl

First seen 2026-04-22 · Last seen 2026-05-16 · ok HTTP/1.1 200 3716 ms crawled 2026-05-16

US · 3.164.206.91 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title

SysWelt – IT-Lösungen & Softwareentwicklung aus Dortmund

Description

Von maßgeschneiderter Softwareentwicklung über performantes Webdesign bis hin zu effektiven E-Commerce-Strategien – wir sind Ihr Partner für nachhaltigen digitalen Erfolg.

Language

de-DE

Canonical

https://www.syswelt.de

Translations

de-de
en-us

Open Graph

url: https://www.syswelt.de
title: SysWelt – IT-Lösungen & Softwareentwicklung aus Dortmund
locale: de_DE
site name: SysWelt
description: Von maßgeschneiderter Softwareentwicklung über performantes Webdesign bis hin zu effektiven E-Commerce-Strategien – wir sind Ihr Partner für nachhaltigen digitalen Erfolg.
locale:alternate: en_US

Technology

CDN: Amazon CloudFront
CMS: Next.js

Analytics

Google Tag Manager

Third-party hosts loaded (2)

www.googletagmanager.com×2
www.syswelt.com×1

Social

Contact

Email

info@syswelt.de

Address

Allensteiner Str. 23, 44369, Dortmund, DE

Registration

Updated

2025-04-10

Name servers

ns-1435.awsdns-51.org.
ns-1627.awsdns-11.co.uk.
ns-651.awsdns-17.net.
ns-96.awsdns-12.com.

DNS records live

NS

ns-1435.awsdns-51.org
ns-1627.awsdns-11.co.uk
ns-651.awsdns-17.net
ns-96.awsdns-12.com

MX

1 smtp.google.com

TXT

google-site-verification=zOaEgoqxro-7xHElP9sIOi2YbQXuT5bHKNtl2g6apqQ
facebook-domain-verification=sl86u8j9t2y4q1jslqmfmqadv0xa1h
google-site-verification=XMhp5iSqr44wnMTjUiGLP_1gXyu1eLqX2XdwaFoMCoI

Email authentication weak

SPF

not published

DMARC

v=DMARC1; p=none;

policy: none (monitoring only)

DKIM

s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxzLSlN/gv6vfBWcTLBdXf/9Jw7BRp9wGwMztbH3NSeYf5eBQMoayh671nnI2NVmW9MyPvKsO31XhWTkxxN…
s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvB7x1si86NQkZQlZTHML0r5oapNTOWR0VduTkG/Pu1JJe0wD7eLAzoU8fvqxN6AsEdK/EZ/fqSAUBL7DF6…

selectors probed

Certificate (current)

Amazon RSA 2048 M01

from 2026-02-16 to 2027-03-18

Expires in 302 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://www.syswelt.de/

present

strict-transport-security
x-content-type-options
referrer-policy

findings

missing Content Security Policy
missing frame protection
missing Permissions Policy

Header values

referrer-policy: origin-when-cross-origin
x-content-type-options: nosniff
strict-transport-security: max-age=63072000; includeSubDomains; preload