What powers 
sez.de?
Last seen Aug 2026 · 29 technologies across 18 categories
Analytics
Caching
CDN
CMS
Databases
Font scripts
Hosting
JavaScript libraries
Miscellaneous
Page builders
Performance
Programming languages
Security
UI frameworks
Web servers
Webmail
WordPress plugins
WordPress themes
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 bytespider removed from robots.txt
- Sep 2026 amazonbot removed from robots.txt
- Sep 2026 applebot-extended removed from robots.txt
- Sep 2026 meta-externalagent removed from robots.txt
- Sep 2026 ccbot removed from robots.txt
- Sep 2026 claudebot removed from robots.txt
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No AI crawlers blocked
Open Page Rank
5.27 / 10 · ranked #221,122 of all domains
131 referring domains · OpenPageRank
Infrastructure
- Hosted on Cloudflare (104.20.27.10, IPv6)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 232,467, 4 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| sez.de | 26 |
| fr.sez.de | 23 |
Full technology history →
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Recent changes
- detected Cloudflare Aug 2026
- detected reCAPTCHA Dec 2025
- detected Varnish Dec 2025