helmholtz-metadaten.de

.de crawl

First seen 2026-04-13 · Last seen 2026-04-14 · ok HTTP/1.1 200 2990 ms crawled 2026-05-07

DE · 138.199.230.1 · AS24940 Hetzner Online GmbH

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: Helmholtz Metadata Collaboration (HMC)
Description: The Helmholtz Metadata Collaboration (HMC) promotes the qualitative enrichment of research data by means of metadata – and implements this approach across the whole organization.
Language: en

Open Graph

url: https://helmholtz-metadaten.de
title: Helmholtz Metadata Collaboration (HMC)
locale: en
description: The Helmholtz Metadata Collaboration (HMC) promotes the qualitative enrichment of research data by means of metadata – and implements this approach across the whole organization.

Technology

Server: nginx

Third-party hosts loaded (1)

unpkg.com×1

Social

Registration

Updated

2021-10-28

Name servers

dns-1.dfn.de.
dns-2.dfn.de.
dns-3.dfn.de.

DNS records live

NS

dns-1.dfn.de
dns-2.dfn.de
dns-3.dfn.de

MX

10 a1501.mx.srv.dfn.de
10 b1501.mx.srv.dfn.de
10 c1501.mx.srv.dfn.de

Verified for

HARICA

Email authentication strong

SPF

v=spf1 mx ip4:134.245.208.0/24 include:_spf.o150.mx.srv.dfn.de ~all

softfail (~all)

DMARC

v=DMARC1;p=none;rua=mailto:dmarc@geomar.de;ruf=mailto:dmarc@geomar.de;fo=1

policy: none (monitoring only)

DKIM

s1: v=DKIM1; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC7QfPSzGSc9ijcLG5xR3yDsn0i/6myazXrnKOvAPLVywCdgMhfpDFus544nQZ9R7VgKk0SDbhKDPmOTEkRmjdAEQwLs…

selectors probed

Certificate (current)

from 2026-03-19 to 2026-06-18

Expires in 28 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://helmholtz-metadaten.de/

present

x-frame-options
x-content-type-options

findings

missing HSTS
missing Content Security Policy
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
x-content-type-options: nosniff

Links to (4)

Linked from (2)

nfdi4earth.de×1
helmholtz.ai×1