What powers 
randomhouse.de?
Last seen Sep 2021 · 18 technologies across 13 categories
A/B Testing
Google Optimize
since Jun 2021
Analytics
Google Analytics
since Jun 2018
Cookie compliance
Osano
since Aug 2020
Editors
DreamWeaver
since Feb 2019
JavaScript libraries
Miscellaneous
Programming Languages
Security
reCAPTCHA
since Oct 2018
Tag Managers
Google Tag Manager
since Mar 2016
UI frameworks
Video players
YouTube
since Aug 2018
Web Servers
Apache HTTP Server
since Jan 2016
Widgets
Wheelio
since Sep 2021
AI Crawlers
Blocks 12 of 33 AI crawlers we track by name in its robots.txt, restricts 8 more. Checked Sep 2026.
Training crawlers
- AI2Bot Blocked
- CCBot Blocked
- ClaudeBot Blocked
- cohere-training-data-crawler Blocked
- Diffbot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- meta-externalagent Blocked
- PanguBot Blocked
- Webzio-Extended Blocked
Search and AI assistants
- PetalBot Blocked
- YouBot Blocked
- Amazonbot Restricted
- Applebot Restricted
- DuckAssistBot Restricted
- OAI-SearchBot Restricted
- PerplexityBot Restricted
User-request fetchers
- ChatGPT-User Restricted
- MistralAI-User Restricted
- Perplexity-User Restricted
The other 13 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
12 of 33 AI crawlers blocked
Open Page Rank
7.81 / 10 · ranked #10,653 of all domains
2,485 referring domains · OpenPageRank
Organisation
- cbj
- Founded: 1968
- Country: Germany
From Wikidata (CC0).
Infrastructure
- Hosted on LINK11 Link11 GmbH (128.65.213.77)
- DNS: arvato-systems.de
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: DigiCert, RSA 4096, wildcard, expires Dec 2026
- Common Crawl link graph: rank 17,453, 18 hosts
- Verified with: Adobe, Box, Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| rhspecials.randomhouse.de | 8 |
| service.randomhouse.de | 8 |
| prestelpublishing.randomhouse.de | 6 |
| www.randomhouse.de | 6 |
| karriere.randomhouse.de | 3 |
| presse.randomhouse.de | 3 |
| shop.randomhouse.de | 3 |
| blogger.randomhouse.de | 2 |