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Categories: Artificial Intelligence Education & Learning

Forums for fast.ai Courses, software, and research

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Updated: 2026-09-03 15:06 Language: English (default) Access: Normal

Profile views 10 Outbound visits 14
fast.ai Course Forums Full homepage screenshot

Website Overview

An established domain and managed infrastructure suggest continuity of operations and may support dependable delivery, although neither guarantees service quality. Page metadata, canonical configuration and social previews work together to provide more consistent search and sharing presentation.

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 by Let's Encrypt, commonly associated with automated certificate services. The certificate's total validity is about 89 days, consistent with a short renewal cycle.

HTTP and Browser Security

The response lacks these common security headers: HSTS, Permissions-Policy. No X-Powered-By header was found, reducing one common source of backend fingerprinting information. No obvious internal addresses or debug information were found in the headers. The Server header contains the custom value Caddy, nginx. No explicit CDN or WAF marker was found in the response headers.

Technology Stack Analysis

The public page identifies Discourse 3.6.0.beta2-latest - https://github.com/discourse/discourse version 991f2af69eadde7879496573f7254786f9f6b970 without precise versions, leaving fewer clues for version-specific scanning.

Search and Social Sharing

The Generator tag identifies Discourse 3.6.0.beta2-latest - https://github.com/discourse/discourse version 991f2af69eadde7879496573f7254786f9f6b970, making the publishing system easier to fingerprint. Twitter Card metadata is configured. The title has 21 characters, within a common display range. A meta description is present, with 50 characters. The observed directives allow indexing and link following.

Hosting and Email

DNSCloudflare
HostingDigitalOcean, LLC
EmailGoogle Workspace
Location United States flagSan Francisco, California, United States 107.170.249.202

Pages, Search and Sharing

Meta descriptionForums for fast.ai Courses, software, and research
Canonical URLhttps://forums.fast.ai/
LanguageEnglish (default)
Twitter Cardsummary

Social Sharing Preview

10 fields

robots.txt (opens in a new tab)

28 rules
mauibot 0 allowed · 1 disallowed
  • Disallow/
semrushbot 0 allowed · 1 disallowed
  • Disallow/
ahrefsbot 0 allowed · 1 disallowed
  • Disallow/
blexbot 0 allowed · 1 disallowed
  • Disallow/
seo spider 0 allowed · 1 disallowed
  • Disallow/
All bots 0 allowed · 15 disallowed
  • Disallow/admin/
  • Disallow/auth/
  • Disallow/assets/browser-update*.js
  • Disallow/email/
  • Disallow/session
  • Disallow/user-api-key
  • Disallow/*?api_key*
  • Disallow/*?*api_key*
  • Disallow/badges
  • Disallow/my
  • Disallow/search
  • Disallow/tag/*/l
  • Disallow/g
  • Disallow/t/*/*.rss
  • Disallow/c/*.rss
googlebot 0 allowed · 8 disallowed
  • Disallow/admin/
  • Disallow/auth/
  • Disallow/assets/browser-update*.js
  • Disallow/email/
  • Disallow/session
  • Disallow/user-api-key
  • Disallow/*?api_key*
  • Disallow/*?*api_key*

Sitemaps

1

Registration details RDAP / WHOIS

RegistrarZenaida.cate.ai
Registered2017-12-16
Expires2028-04-27
Domain statusactive
Nameserversmelissa.ns.cloudflare.com、roman.ns.cloudflare.com
DNSSECunsigned

DNS records

TypeNameValueTTLPriority
Aforums.fast.ai107.170.249.202300—
MXfast.aismtp.google.com3001
NSfast.aimelissa.ns.cloudflare.com86400—
NSfast.airoman.ns.cloudflare.com86400—
TXTfast.aigoogle-site-verification=GTRvd7IHODSRGWW4uvb-UjS6NqY8vlFNMYTmhtcbURE3600—
TXTfast.aiv=spf1 a mx include:_spf.elasticemail.com include:spf.messagingengine.com include:amazonses.com ip4:107.170.249.202 include:_spf.google.com ~all3600—
DMARC_dmarc.fast.aiv=DMARC1; p=none; pct=100; rua=mailto:[email protected]; sp=none; aspf=r;300—

TLS and certificates

AssessmentNormal configuration
Supported protocolsTLSv1.2、TLSv1.3
Negotiated protocolTLSv1.3
Certificate subjectforums.fast.ai
IssuerLet's Encrypt
Valid until2026-10-08T05:02 · Remaining when checked: 34 days
Verification detailsCertificate trust: Passed · Hostname match: Passed

HTTP response headers

HeaderValue
content-typetext/html; charset=utf-8
cache-controlno-cache, no-store
serverCaddy, nginx
content-security-policyupgrade-insecure-requests; base-uri 'self'; object-src 'none'; script-src 'nonce-OMwfFoE29y4Q2hswDBE9ojFqT' 'strict-dynamic'; frame-ancestors 'self'; manifest-src 'self'
x-frame-optionsSAMEORIGIN
x-content-type-optionsnosniff
referrer-policystrict-origin-when-cross-origin

Identified technologies

Discourse 3.6.0.beta2-latest - https://github.com/discourse/discourse version 991f2af69eadde7879496573f7254786f9f6b970

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