passivhaustagung.de

.de crawl

First seen 2026-04-13 · Last seen 2026-05-14 · ok HTTP/1.1 200 1869 ms crawled 2026-05-07

FI · 135.181.123.140 · AS24940 Hetzner Online GmbH

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title

Events 2026

Language

Translations

Technology

Server: Apache
CMS: Gatsby

Third-party hosts loaded (1)

piwik.passiv.net×1

Social

Registration

Updated

2018-08-17

Name servers

ns1082.ui-dns.biz.
ns1082.ui-dns.com.
ns1082.ui-dns.de.
ns1082.ui-dns.org.

DNS records live

NS

ns1082.ui-dns.biz
ns1082.ui-dns.com
ns1082.ui-dns.de
ns1082.ui-dns.org

MX

10 mx00.ionos.de
10 mx01.ionos.de

Email authentication strong

SPF: v=spf1 -all
strict (-all)
DMARC: v=DMARC1; p=none;
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

R13

from 2026-04-09 to 2026-07-08

Expires in 49 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://passivhaustagung.de/en/

present

strict-transport-security
x-frame-options
x-content-type-options
referrer-policy
cross-origin-opener-policy

findings

missing Content Security Policy
missing Permissions Policy

Header values

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