grass-haus.de

.de crawl

First seen 2026-04-15 · Last seen 2026-05-18 · ok HTTP/1.1 200 1804 ms crawled 2026-05-10

DE · 46.4.109.106 · AS24940 Hetzner Online GmbH

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Startseite - Günter Grass-Haus - Die Lübecker Museen
Language
de
Generator
gradwerk CMS 6 - www.gradwerk.de
Canonical
https://grass-haus.de

Open Graph

title
Startseite - Günter Grass-Haus - Die Lübecker Museen

Technology

Server
CMS

Social

Contact

Address
Glockengießerstraße 21, 23552, Lübeck, de

Registration

Updated
2009-11-30
Name servers
  • ns3.kundenserver.de.
  • ns4.kundenserver.de.

DNS records live

NS
  • ns3.kundenserver.de
  • ns4.kundenserver.de
MX
  • 10 mx00.ionos.de
  • 10 mx01.ionos.de

Email authentication partial

SPF
v=spf1 include:_spf.mailersend.net a mx include:spf.gradwerk.de include:_spf-eu.ionos.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-03-22 to 2026-06-20
Expires in 32 days

HTTP security headers

Header hygiene 60/100 Checked live page: https://grass-haus.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=63072000; includeSubDomains; preload;

Links to (19)

Linked from (15)