gbv.de

.de crawl dns

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 899 ms crawled 2026-05-19

DE · 193.174.240.199 · AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.

Reputation 67/100 wrong cert no dmarc policy

Classifying

HTML metadata

Title

Willkommen — Verbundzentrale des GBV

Language

Generator

Plone - https://plone.org/

Canonical

https://www.gbv.de

Feeds

Open Graph

url: https://www.gbv.de
title: Willkommen
site name: Verbundzentrale des GBV

Technology

Server: nginx

Registration

Updated

2013-06-05

Name servers

deneb.dfn.de.
inets1.gbv.de.
inets2.gbv.de.

DNS records live

NS

deneb.dfn.de
inets1.gbv.de
inets2.gbv.de

MX

10 a1234.mx.srv.dfn.de
50 b1234.mx.srv.dfn.de
50 c1234.mx.srv.dfn.de

TXT

OSSRH-73866

Email authentication weak

SPF

v=spf1 ip4:193.174.240.41 ip4:193.174.240.42 ip4:193.174.240.101 include:spf.gwdg.de ~all

softfail (~all)

DMARC

not published

DKIM

k1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA86yMLiIZf41cr+ljtOxN5OKoHp5LqG/LYUVX6kU+sMfqlyoHrcX/BynS+5p5ev8RMHhAQDjtq8W5Xl…

selectors probed

Certificate (current) wrong cert

GEANT TLS RSA 1

from 2025-12-03 to 2026-12-03

Expires in 198 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 80/100 Checked live page: https://www.gbv.de/

present

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

findings

CSP allows unsafe inline scripts/styles
CSP uses wildcard sources
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
content-security-policy: default-src 'self' data:; img-src data: *; style-src 'self' 'unsafe-inline'; script-src 'self' 'unsafe-inline' 'unsafe-eval'; frame-ancestors 'self' *.suub.uni-bremen.de
strict-transport-security: max-age=15768000; includeSubDomains