c3-chemnitz.de

.de crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 509 ms crawled 2026-05-19

DE · 78.46.181.5 · AS24940 Hetzner Online GmbH

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: C3: C³ CHEMNITZER VERANSTALTUNGSZENTREN
Language: de-DE
Generator: TYPO3 CMS
Canonical: https://www.c3-chemnitz.de/

Open Graph

url: https://www.c3-chemnitz.de/

Technology

Server: Apache

Analytics

Google Tag Manager

Cookie consent

Usercentrics

Third-party hosts loaded (4)

app.usercentrics.eu×3
privacy-proxy.usercentrics.eu×3
api.usercentrics.eu×1
www.googletagmanager.com×1

Social

Registration

Updated

2023-10-18

Name servers

ns1.your-server.de.
ns3.second-ns.de.
ns.second-ns.com.

DNS records live

NS

ns.second-ns.com
ns1.your-server.de
ns3.second-ns.de

MX

10 mail01.make-it.de
10 mail02.make-it.de

TXT

k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCmLlpbTepMdloeeLlkJFTfSQNNT3XY6Qrc1hLvLsKjaP/HIS9wOF8ak4Yx0KTdEUbzw5y/WblJz1xGY5GvFnbflQ3XSis5ngLJfU6m0IChf4oXtRVIUQU2MBLGB9VrshbHOPRgb9g/RM3WkHXHPdCVaFqlIY2wzQCU5NGvXJY7dQIDAQAB

Email authentication partial

SPF

v=spf1 exists:%{i}._i.%{d}._d.espf.agari-dns.net include:%{d}.df.spf-protect.agari-dns.net -all

strict (-all)

DMARC

v=DMARC1; p=none; fo=1; ri=3600; rua=mailto:eins-energie-in-sachsen-gmbh-kg@rua.agari-eu.com; ruf=mailto:eins-energie-in-sachsen-gmbh-kg@ruf.agari-eu.com

policy: none (monitoring only)

DKIM

default: v=DKIM1; k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCgPGJFJRrc8amwo6XqbbN4V237F5uwJArZ4iczE9QkIwZJNTjvcbCyKHtjJJ1q35q2yoQR9yysYw4M…
selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwJRL6d9RkjiEn7RHHGQ610FUTwwSTlCPtvJl9nyQ5uoLGsgMX9M+YC+5HuqN8S6KestOArL8I0mRGk…

selectors probed

Certificate (current)

Encryption Everywhere DV TLS CA - G2

from 2025-08-18 to 2026-08-18

Expires in 89 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.c3-chemnitz.de/

present

x-content-type-options

findings

missing HSTS
missing Content Security Policy
missing frame protection
missing Referrer Policy
missing Permissions Policy

Header values

x-content-type-options: nosniff