indexo.dev

library-online.de

.de crawl

First seen 2026-05-15 · Last seen 2026-05-20 · ok HTTP/1.1 200 205 ms crawled 2026-05-20

DE · 46.4.84.79 · AS24940 Hetzner Online GmbH

Reputation 67/100 wrong cert no dmarc policy

Classifying

HTML metadata

Title
Mailserver Admin Panel
Language
en-gb

Technology

Server
nginx

Registration

Updated
2008-01-11
Name servers
  • a.xnameserver.de.
  • b.xnameserver.de.
  • c.xnameserver.de.

DNS records live

NS
  • a.xnameserver.de
  • b.xnameserver.de
  • c.xnameserver.de
MX
  • 10 mail.library-online.de

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current) wrong cert

R13
from 2026-05-08 to 2026-08-06
Expires in 77 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked over plain HTTP: http://library-online.de/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • checked over plain HTTP
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
strict-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=15768000;

Linked from (4)