architektursommer.de

.de crawl

First seen 2026-04-23 · Last seen 2026-05-19 · ok HTTP/1.1 200 7264 ms crawled 2026-05-17

DE · 185.146.238.74 · AS38927 Net-Build GmbH

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: 11. Hamburger Architektur Sommer
Description: Das Festival der Baukultur | Mai - Juni 2026
Language: de
Canonical: https://architektursommer.de

Open Graph

url: https://architektursommer.de
title: 11. Hamburger Architektur Sommer
locale: de
site name: Hamburger Architektur Sommer
description: Das Festival der Baukultur | Mai - Juni 2026

Technology

Server: nginx

Registration

Updated

2018-09-06

Name servers

ns1050.ui-dns.biz.
ns1050.ui-dns.com.
ns1050.ui-dns.de.
ns1050.ui-dns.org.

DNS records live

NS

ns1050.ui-dns.biz
ns1050.ui-dns.com
ns1050.ui-dns.de
ns1050.ui-dns.org

MX

10 architektursommer-de.mail.protection.outlook.com

Verified for

Brevo
Google
Microsoft 365

Email authentication partial

SPF: v=spf1 include:_spf-eu.ionos.com include:spf.protection.outlook.com ~all
softfail (~all)
DMARC: v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36

from 2025-08-22 to 2026-09-23

Expires in 125 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://architektursommer.de/

present

strict-transport-security
permissions-policy

findings

missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy

Header values

permissions-policy: interest-cohort=()
strict-transport-security: max-age=15768000; includeSubDomains