What powers serenus.app.br?
Last seen Aug 2026 · 13 technologies across 10 categories
Analytics
Cloudflare Browser Insights
since Jul 2026
Google Analytics
since Jul 2026
CDN
cdnjs
since Jul 2026
Cloudflare
since Jul 2026
Amazon SES
since Jul 2026
Font scripts
Google Font API
since Jul 2026
JavaScript graphics
ECharts
since Jul 2026
Live chat
WhatsApp Business Chat
since Jul 2026
Miscellaneous
HTTP/3
since Jul 2026
Open Graph
since Jul 2026
PaaS
Amazon Web Services
since Jul 2026
Performance
Priority Hints
since Aug 2026
UI frameworks
Tailwind CSS
since Jul 2026
AI Crawlers
Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Applebot-Extended Allowed
- Bytespider Allowed
- CCBot Allowed
- ClaudeBot Allowed
- Google-Extended Allowed
- GPTBot Allowed
- meta-externalagent Allowed
Search and AI assistants
- Amazonbot Blocked
- OAI-SearchBot Allowed
- PerplexityBot Allowed
User-request fetchers
- ChatGPT-User Allowed
- Claude-User Allowed
The other 21 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt found
- ai.txt not found
Content Signals:
search=yes ai-train=no declared in robots.txt
- Sep 2026 llms.txt appeared
- Sep 2026 chatgpt-user added to robots.txt
- Sep 2026 ccbot: Allowed (was Blocked)
- Sep 2026 claude-user added to robots.txt
- Sep 2026 applebot-extended: Allowed (was Blocked)
- Sep 2026 bytespider: Allowed (was Blocked)
Infrastructure
- Hosted on Cloudflare (104.21.50.54, IPv6)
- DNS: Cloudflare DNS
- Email: umbler.com
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Google Trust Services, ECDSA P256, expires Dec 2026
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Priority Hints Aug 2026