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docs.fast.ai
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Categories: Development
fastai simplifies training fast and accurate neural nets using modern best practices
Updated: 2026-09-01 11:37
Language: English (default)
Access: Normal
Profile views 6
Outbound visits 6
Website Overview
An established domain and managed infrastructure suggest continuity of operations and may support dependable delivery, although neither guarantees service quality. Several search or sharing settings need attention. Together they may make snippets, preview images or preferred URLs less consistent across platforms.
Domain and Registration
Registered in 2017, this domain has about 8 years of history. That suggests continuity, although ownership and purpose may have changed. Registration contact information is publicly available through RDAP. The domain uses the common .ai extension, which is not an independent safety signal.
DNS and Email
Nameservers are provided by Cloudflare, indicating managed DNS hosting. MX records point to the Google Workspace email service. No CNAME was found; the observed records resolve directly to addresses. SPF and DMARC are configured. DKIM status is unknown. TXT records include verification markers for Google. Such markers may also remain after a service stops being used.
TLS and Certificates
The public key uses EC with 256 bits. The server supplied a complete certificate chain. No organization name is present in the certificate; the available fields are consistent with domain validation. The certificate was issued within the Google Trust Services cloud or CDN ecosystem. The certificate's total validity is about 90 days, consistent with a short renewal cycle.
HTTP and Browser Security
The checked browser-security headers were not detected, leaving fewer explicit browser-side safeguards. No X-Powered-By header was found, reducing one common source of backend fingerprinting information. The cf-ray response header indicates a CDN or caching proxy in the delivery path. No obvious internal addresses or debug information were found in the headers. The Server header identifies cloudflare without an exact version.
Technology Stack Analysis
The public page identifies quarto-1.10.18, Cloudflare without precise versions, leaving fewer clues for version-specific scanning.
Search and Social Sharing
The Generator tag identifies quarto-1.10.18, making the publishing system easier to fingerprint. No homepage canonical URL was detected. If duplicate URLs exist, consolidation may be less explicit. Open Graph is partially configured; og:type is missing. Twitter Card metadata is configured. The title has 26 characters, within a common display range.
Hosting and Email
Location
Location unknown
104.26.2.19
Location unknown
Pages, Search and Sharing
| Meta description | fastai simplifies training fast and accurate neural nets using modern best practices |
|---|---|
| Canonical URL | Not detected |
| Language | English (default) |
| Twitter Card | summary_large_image |
Social Sharing Preview
8 fieldsSharing metadata
| og:image | https://docs.fast.ai//images/layered.png |
|---|---|
| og:title | Welcome to fastai – fastai |
| og:description | fastai simplifies training fast and accurate neural nets using modern best practices |
| twitter:card | summary_large_image |
| twitter:site | @fastdotai |
| twitter:image | https://docs.fast.ai//images/layered.png |
| twitter:title | Welcome to fastai – fastai |
| twitter:description | fastai simplifies training fast and accurate neural nets using modern best practices |
robots.txt (opens in a new tab)
0 rulesNo rules found
No matching rules.
Sitemaps
1
Registration details RDAP / WHOIS
| Registrar | Zenaida.cate.ai |
|---|---|
| Registered | 2017-12-16 |
| Expires | 2028-04-27 |
| Domain status | active |
| Nameservers | melissa.ns.cloudflare.com、roman.ns.cloudflare.com |
| DNSSEC | unsigned |
DNS records
| Type | Name | Value | TTL | Priority |
|---|---|---|---|---|
| A | docs.fast.ai | 104.26.2.19 | 300 | — |
| A | docs.fast.ai | 104.26.3.19 | 300 | — |
| A | docs.fast.ai | 172.67.69.159 | 300 | — |
| AAAA | docs.fast.ai | 2606:4700:20::681a:213 | 299 | — |
| AAAA | docs.fast.ai | 2606:4700:20::681a:313 | 299 | — |
| AAAA | docs.fast.ai | 2606:4700:20::ac43:459f | 299 | — |
| MX | fast.ai | smtp.google.com | 300 | 1 |
| NS | fast.ai | melissa.ns.cloudflare.com | 86400 | — |
| NS | fast.ai | roman.ns.cloudflare.com | 86400 | — |
| TXT | fast.ai | google-site-verification=GTRvd7IHODSRGWW4uvb-UjS6NqY8vlFNMYTmhtcbURE | 3600 | — |
| TXT | fast.ai | v=spf1 a mx include:_spf.elasticemail.com include:spf.messagingengine.com include:amazonses.com ip4:107.170.249.202 include:_spf.google.com ~all | 3600 | — |
| DMARC | _dmarc.fast.ai | v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; sp=none; aspf=r; | 296 | — |
TLS and certificates
| Assessment | Normal configuration |
|---|---|
| Supported protocols | TLSv1.2、TLSv1.3 |
| Negotiated protocol | TLSv1.3 |
| Certificate subject | fast.ai |
| Issuer | Google Trust Services |
| Valid until | 2026-10-26T08:20 · Remaining when checked: 54 days |
| Verification details | Certificate trust: Passed · Hostname match: Passed |
HTTP response headers
| Header | Value |
|---|---|
| content-type | text/html |
| cache-control | max-age=600 |
| server | cloudflare |
Identified technologies
quarto-1.10.18Cloudflare
Recent Updates
- Website images
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