indexo.dev

referenzbibliothek.info

.info crawl

First seen 2026-04-13 · Last seen 2026-05-06 · ok HTTP/1.1 200 715 ms crawled 2026-05-06

DE · 217.160.0.155 · AS8560 IONOS SE

Reputation 92/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Referenz Bibliothek
Description
Die ReferenzBibliothek (ver-)sammelt Referenzen in Form von Publikationen, Fotos, Videos und Ephemera und vermittelt sie in verschiedenen Präsentationsformen.
Language
de
Canonical
https://referenzbibliothek.info

Open Graph

url
https://referenzbibliothek.info
title
Referenz Bibliothek
locale
de_DE
site name
ReferenzBibliothek
description
Die ReferenzBibliothek (ver-)sammelt Referenzen in Form von Publikationen, Fotos, Videos und Ephemera und vermittelt sie in verschiedenen Präsentationsformen.

Technology

Server
Apache

Third-party hosts loaded (2)

  • cdn.jsdelivr.net×4
  • code.jquery.com×2

Registration

Registrar
IONOS SE
Created
2025-10-24
Expires
2026-10-24 156 days left
Updated
2025-12-23
Name servers
  • ns1022.ui-dns.de
  • ns1080.ui-dns.org
  • ns1031.ui-dns.com
  • ns1036.ui-dns.biz

DNS records live

NS
  • ns1022.ui-dns.de
  • ns1031.ui-dns.com
  • ns1036.ui-dns.biz
  • ns1080.ui-dns.org
MX
  • 10 mx00.ionos.de
  • 10 mx01.ionos.de

Email authentication strong

SPF
v=spf1 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)

Sectigo Public Server Authentication CA DV R36
from 2025-11-19 to 2026-11-13
Expires in 176 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://referenzbibliothek.info/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (3)

Linked from (2)