What powers teraos.net?
Last seen Sep 2026 · 10 technologies across 7 categories
Analytics
Google Analytics
since Dec 2021
JavaScript libraries
Mobile frameworks
Operating systems
Windows Server
since Dec 2021
Programming languages
Java
since Jun 2023
Security
Basic
since Apr 2025
Web servers
Apache HTTP Server
since Jun 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 Oct 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 100% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Core Web Vitals
| LCP | 0.5 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on SO-NET Sony Network Communications Inc. (160.86.227.99)
- DNS: netassist.ne.jp
- Email: teraos.net
- Email security: SPF (soft fail), no DMARC record
- SSL: GlobalSign, RSA 2048, expires Dec 2026
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| fs.teraos.net | 5 |
| ws.teraos.net | 4 |
| www.teraos.net | 4 |