indexo.dev

sigma-chemnitz.de

.de crawl dns

First seen 2026-05-01 · Last seen 2026-05-19 · ok HTTP/1.1 200 2025 ms crawled 2026-05-08

DE · 87.128.211.70 · AS3320 Deutsche Telekom AG

Reputation 100/100

Classifying

HTML metadata

Title
SIGMA Chemnitz GmbH - Wir gestalten Digitalisierung
Description
SIGMA ist Ihr Dienstleister für Server, Storage, IT-Security, AutoID/RFID-Lösungen, ERP, BI und Webservices sowie Embedded Entwicklung.
Language
de-DE
Generator
TYPO3 CMS
Canonical
https://www.sigma-chemnitz.de/
Translations
  • de
  • en

Open Graph

site name
SIGMA Chemnitz GmbH

Technology

Server
Apache

Social

Contact

Phone

Registration

Updated
2018-03-21
Name servers
  • ns.cvg.de.
  • secondary004.dtag.net.

DNS records live

NS
  • ns.cvg.de
  • secondary004.dtag.net
MX
  • 10 mx1.cvg.de
  • 20 mail-mta-2.sigma-chemnitz.de
  • 20 mail-mta-3.sigma-chemnitz.de
  • 30 mx1.sigma-chemnitz.de
Verified for
  • Apple
  • Google
  • Microsoft 365

Email authentication strong

SPF
v=spf1 redirect=_spf.sigma-chemnitz.de
no all qualifier
DMARC
v=DMARC1; p=reject; pct=100; rua=mailto:dmarc-admin@sigma-chemnitz.de; ruf=mailto:dmarc-admin@sigma-chemnitz.de
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-08 to 2026-07-07
Expires in 47 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://www.sigma-chemnitz.de/

present
  • strict-transport-security
  • x-content-type-options
findings
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff
strict-transport-security
max-age=31536000

Links to (5)

Linked from (1)