feifei.tw
feifei.tw is a live Chinese-language website hosted on Cloudflare, Inc. (AS13335) in the United States, served by Cloudflare. cl0q first saw it on 2026-07-25 and last crawled it on 2026-07-29. It resolves to 104.21.44.78 and has mail (MX) records set up. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.
How the site describes itself:
飛飛｜資安、滲透測試與 AI 安全實作課程
飛飛提供資安入門、網站安全、Linux 與 Windows 滲透測試、AI Security 及安全開發課程，透過自建實作環境、心智圖與逐步任務，陪你從理解到真正完成操作。
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-07-25 |
| Last crawled | 2026-07-29 |
| IPv4 | 104.21.44.78 |
| IPv6 | 2606:4700:3031::ac43:c54e |
| Network | AS13335 Cloudflare, Inc. · United States |
| Mail (MX) | mxa.mailgun.org,mxb.mailgun.org |
| Language | zh-TW |
| Server | cloudflare |
Explore more like this
More sites on Cloudflare, Inc.
Get this data at scale
This dossier is one domain from cl0q's index. Query the same live index through the API, or download the censuses built from it.
- API credit pack — 100,000 lookups against the live index, no subscription, at 30 lookups a minute.
- Server Tech Census — one row per domain: server, language and CDN flag.