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brilliant.org Paid content

Categories: Development

Visual, interactive tutoring in math and coding, from 5th grade through college. Master concepts in algebra, calculus, Python, computer science, and more.

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Updated: 2026-09-03 17:08 Language: English (default) Access: Normal

Profile views 12 Outbound visits 12
Brilliant 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 2001, this domain has about 25 years of history. That suggests continuity, although ownership and purpose may have changed. Transfer-protection status is present, helping reduce the risk of unauthorized domain transfers. The registrar is GoDaddy.com, LLC, a widely used domain service provider. The domain uses the common .org 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. CAA records restrict which certificate authorities are authorized to issue certificates. No CNAME was found; the observed records resolve directly to addresses. SPF and DMARC are configured. DKIM status is unknown.

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

X-Powered-By exposes backend information: Next.js. The response lacks these common security headers: CSP, X-Content-Type-Options, Referrer-Policy, Permissions-Policy. 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 Next.js, Google Tag Manager, Cloudflare without precise versions, leaving fewer clues for version-specific scanning.

Search and Social Sharing

Twitter Card metadata is configured. The title has 51 characters, within a common display range. A meta description is present, with 154 characters. The observed directives allow indexing and link following. No Generator meta tag is publicly exposed.

Hosting and Email

DNSCloudflare
HostingCloudflare
EmailGoogle Workspace
Location United States flagUnited States 2606:4700::6812:80f

Pages, Search and Sharing

Meta descriptionVisual, interactive tutoring in math and coding, from 5th grade through college. Master concepts in algebra, calculus, Python, computer science, and more.
Canonical URLhttps://brilliant.org/
LanguageEnglish (default)
Twitter Cardsummary_large_image

Social Sharing Preview

7 fields

robots.txt (opens in a new tab)

30 rules
googlebot 0 allowed · 5 disallowed
  • Disallow/profile/*/followers
  • Disallow/profile/*/following
  • Disallow/account/*
  • Disallow/classroom/
  • Disallow/testing/*
slurp 0 allowed · 5 disallowed
  • Disallow/profile/*/followers
  • Disallow/profile/*/following
  • Disallow/account/*
  • Disallow/classroom/
  • Disallow/testing/*
yandex 0 allowed · 5 disallowed
  • Disallow/profile/*/followers
  • Disallow/profile/*/following
  • Disallow/account/*
  • Disallow/classroom/
  • Disallow/testing/*
msnbot 0 allowed · 5 disallowed
  • Disallow/profile/*/followers
  • Disallow/profile/*/following
  • Disallow/account/*
  • Disallow/classroom/
  • Disallow/testing/*
applebot 0 allowed · 5 disallowed
  • Disallow/profile/*/followers
  • Disallow/profile/*/following
  • Disallow/account/*
  • Disallow/classroom/
  • Disallow/testing/*
All bots 0 allowed · 5 disallowed
  • Disallow/profile/*/followers
  • Disallow/profile/*/following
  • Disallow/account/*
  • Disallow/classroom/
  • Disallow/testing/*

Sitemaps

1

Registration details RDAP / WHOIS

RegistrarGoDaddy.com, LLC
Registered2001-02-14
Expires2027-02-14
Domain statusclient delete prohibited、client renew prohibited、client transfer prohibited、client update prohibited
Nameservershank.ns.cloudflare.com、rita.ns.cloudflare.com
DNSSECunsigned

DNS records

TypeNameValueTTLPriority
Abrilliant.org104.18.8.15300—
Abrilliant.org104.18.9.15300—
AAAAbrilliant.org2606:4700::6812:80f300—
AAAAbrilliant.org2606:4700::6812:90f300—
MXbrilliant.orgaspmx.l.google.com30010
MXbrilliant.orgalt1.aspmx.l.google.com30020
MXbrilliant.orgalt2.aspmx.l.google.com30030
MXbrilliant.orgaspmx2.googlemail.com30040
MXbrilliant.orgaspmx3.googlemail.com30050
NSbrilliant.orghank.ns.cloudflare.com86400—
NSbrilliant.orgrita.ns.cloudflare.com86400—
TXTbrilliant.orgMS=524E221D89A84F1FD7A955D2F0F36F23A61CB22C300—
TXTbrilliant.org_2uigl23wh27alkreaid8n86g92t3ij4300—
TXTbrilliant.organthropic-domain-verification-6f5vjc=5mc7sQouPFWyCAIyXTXildzeJ300—
TXTbrilliant.orgapple-domain-verification=r4-3-LTlIQvEcZvIP7BSi3kerK0CBLy4NbLKliNoW_Y300—
TXTbrilliant.orgatlassian-domain-verification=Pxa9jqME4P2a/6vdNzZBqpjIxUfeiTljJGAKGaiweyh3WO5uRcwqz19IRmZSJqVa300—
TXTbrilliant.orgc2m28fk2hl9n7fm8yh86143c41dcdnh9300—
TXTbrilliant.orgcl_verification=bf863145-4183-44f0-a0df-a3c518407095300—
TXTbrilliant.orgdust-domain-verification-m5f4qw=O0sg8ssgBkI74uJdX6kxluG3j300—
TXTbrilliant.orggoogle-site-verification=eSmW0wY_BbynP1YlEiprY2QAnAuIoqHaGFazabRoXbQ300—
TXTbrilliant.orggoogle-site-verification=oSnD7yGKjePXRqIq-KGrSBFHSncefTJYIRdvvMuKBuo300—
TXTbrilliant.orggoogle-site-verification=ppl6Fn1negKJ--GoCw9Ht20PqR6ZTmfaJyMR3PKyEso300—
TXTbrilliant.orggoogle-site-verification=tShRZ9tQ0NzsFgO-AoNumPIK_wR66kXC-B_ALAiH79Q300—
TXTbrilliant.orgopenai-domain-verification=dv-jnVc3aJrS33DUIqjn3p70wZn300—
TXTbrilliant.orgrippling-domain-verification=6123a2335ceabdb3300—
TXTbrilliant.orgs7qsqf7bx8cm7hzzrd55kyyg85zdq950300—
TXTbrilliant.orgv=spf1 include:_spf.google.com include:sendgrid.net ~all300—
CAAbrilliant.org0 issue "amazonaws.com"300—
CAAbrilliant.org0 issue "digicert.com"300—
CAAbrilliant.org0 issue "letsencrypt.org"300—
DMARC_dmarc.brilliant.orgv=DMARC1; p=reject; rua=mailto:[email protected]; fo=1; adkim=r; aspf=r; pct=100; rf=afrf; ri=43200; sp=quarantine300—

TLS and certificates

AssessmentNormal configuration
Supported protocolsTLSv1.2、TLSv1.3
Negotiated protocolTLSv1.3
Certificate subjectbrilliant.org
IssuerLet's Encrypt
Valid until2026-10-16T10:42 · Remaining when checked: 42 days
Verification detailsCertificate trust: Passed · Hostname match: Passed

HTTP response headers

HeaderValue
content-typetext/html; charset=utf-8
cache-controlprivate, no-cache, no-store, max-age=0, must-revalidate
servercloudflare
strict-transport-securitymax-age=15552000
x-frame-optionsSAMEORIGIN
set-cookieRedacted

Identified technologies

Next.jsGoogle Tag ManagerCloudflare

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