altenburger-museen.de

.de dns

First seen 2026-05-11 · Last seen 2026-05-11 · ok HTTP/1.1 200 18314 ms crawled 2026-05-18

DE · 217.160.0.235 · AS8560 IONOS SE

Reputation 100/100

Classifying

HTML metadata

Title: KAG Altenburger Museen - Altenburger Museen
Description: Die Altenburger Museen sind der Zusammenschluss von Lindenau-Museum Altenburg sowie Schloss- und Kulturbetrieb Residenzschloss Altenburg in der 2020 gegründeten Kommunalen Arbeitsgemeinschaft Altenburger Museen.
Language: de
Generator: Contao Open Source CMS
Canonical: https://altenburger-museen.de/startseite

Technology

Server: Apache

Contact

Email

Registration

Updated

2025-02-28

Name servers

ns1017.ui-dns.org.
ns1050.ui-dns.de.
ns1066.ui-dns.com.
ns1092.ui-dns.biz.

DNS records live

NS

ns1017.ui-dns.org
ns1050.ui-dns.de
ns1066.ui-dns.com
ns1092.ui-dns.biz

MX

10 mail.altenburger-museen.de

Verified for

Brevo

Email authentication strong

SPF

v=spf1 ip4:212.99.211.50 include:_spf-eu.ionos.com -all

strict (-all)

DMARC

v=DMARC1; p=quarantine; rua=mailto:administrator@altenburger-museen.de; ruf=mailto:administrator@altenburger-museen.de; fo=1; pct=100

policy: quarantine

DKIM

s1: v=DKIM1;t=s;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDQCoWZfLqWxmMaoKr9OSIOtWArQzmZ5YYhv9sjRJ32L1ZM057vUYJelLcI2T6qP1uwTkpl92ChcEqtJfA3RvgL0R…

selectors probed

Certificate (current)

Sectigo Public Server Authentication CA DV R36

from 2026-02-15 to 2027-03-02

Expires in 285 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 80/100 Checked live page: https://altenburger-museen.de/startseite

present

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

findings

missing Content Security Policy

Header values

referrer-policy: no-referrer-when-downgrade, strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
permissions-policy: interest-cohort=()
x-content-type-options: nosniff
strict-transport-security: max-age=31536000