What powers 
heise-gruppe.de?
Last seen Feb 2024 · 13 technologies across 6 categories
JavaScript libraries
Swiper
since Sep 2022
Miscellaneous
Programming languages
Java
since Mar 2023
Security
HSTS
since Sep 2022
Web servers
Apache HTTP Server
since Apr 2020
Nginx
since Jan 2019
Webmail
Apple iCloud Mail
since Mar 2023
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
- Sep 2026 * removed from robots.txt
- Aug 2026 robots.txt removed
- Aug 2026 robots.txt appeared
- Aug 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Open Page Rank
4.99 / 10 · ranked #246,905 of all domains
87 referring domains · OpenPageRank
Organisation
- Heise Group
- Founded: 1949
- Sector: Media
- Country: Germany
From Wikidata (CC0).
Infrastructure
- Hosted on PLUSLINE (193.99.144.80)
- DNS: heise.de
- Email: no MX record returned
- Email security: SPF (hard fail), DMARC quarantine, CAA
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 1,214,559, 3 hosts
- Verified with: Google, Meta Business
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.heise-gruppe.de | 7 |
| karriere.heise-gruppe.de | 6 |