indexo.dev

german-isbn.de

.de crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 1006 ms crawled 2026-05-19

DE · 94.16.98.188 · AS42473 Anexia Cloud Solutions GmbH

Reputation 100/100

Classifying

HTML metadata

Title
Home · german-isbn.de (de)
Language
de
Canonical
https://german-isbn.de/

Open Graph

url
https://german-isbn.de/
title
german-isbn.de (de) - german-isbn.de (de)
locale
de
site name
german-isbn.de (de)
locale:alternate
de

Technology

Server
Apache
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Social

Contact

Phone

Registration

Updated
2025-05-30
Name servers
  • anexia.fifthns.com.
  • anexia.firstns.cc.
  • anexia.fourthns.systems.
  • anexia.secondns.at.
  • anexia.thirdns.de.

DNS records live

NS
  • anexia.fifthns.com
  • anexia.firstns.cc
  • anexia.fourthns.systems
  • anexia.secondns.at
  • anexia.thirdns.de

Email authentication no MX

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

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2026-02-03 to 2027-03-07
Expires in 290 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://german-isbn.de/

present
  • strict-transport-security
  • x-content-type-options
  • referrer-policy
findings
  • missing Content Security Policy
  • missing frame protection
  • missing Permissions Policy
Header values
referrer-policy
no-referrer-when-downgrade
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; includeSubDomains; preload

Links to (8)

Linked from (2)