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udacity.com No paid content found

Categories: Education & Learning

Tags: Online Courses

Learn online and advance your career with courses in programming, data science, artificial intelligence, digital marketing, and more. Gain in-demand technical skills. Join today!

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Updated: 2026-09-01 08:46 Language: English (default) Access: Normal

Profile views 7 Outbound visits 4
Udacity 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.

Domain and Registration

Registered in 2012, this domain has about 14 years of history. That suggests continuity, although ownership and purpose may have changed. The registrar, CSC Corporate Domains, Inc., specializes in corporate domain and brand management, suggesting attention to domain asset protection. Transfer-protection status is present, helping reduce the risk of unauthorized domain transfers. The domain uses the common .com extension, which is not an independent safety signal.

DNS and Email

The lowest TTL is 60 seconds, supporting rapid record changes at the cost of more frequent lookups. Nameservers are provided by Amazon Route 53, indicating managed DNS hosting. DNS and provider evidence indicate traffic passes through the Cloudflare CDN, which may support caching and traffic distribution. MX records point to the Proofpoint email service. 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

The response lacks these common security headers: Permissions-Policy. Debug-related headers are present: x-amzn-trace-id. Check whether they are needed in production. No X-Powered-By header was found, reducing one common source of backend fingerprinting information. The cf-ray, x-cache, via response header indicates a CDN or caching proxy in the delivery path. The Server header identifies cloudflare without an exact version.

Technology Stack Analysis

The public page identifies Next.js, Cloudflare without precise versions, leaving fewer clues for version-specific scanning.

Search and Social Sharing

The meta description has 178 characters and may be shortened in search results. JSON-LD includes Organization data, helping describe the organization as an entity. The title has 59 characters, within a common display range. The observed directives allow indexing and link following. No Generator meta tag is publicly exposed.

Hosting and Email

DNSAmazon Route 53
HostingAmazon CloudFront
EmailProofpoint
Location Location unknown 104.18.42.98

Pages, Search and Sharing

Meta descriptionLearn online and advance your career with courses in programming, data science, artificial intelligence, digital marketing, and more. Gain in-demand technical skills. Join today!
Canonical URLhttps://www.udacity.com/
LanguageEnglish (default)
Twitter CardNot detected

Social Sharing Preview

5 fields

robots.txt (opens in a new tab)

34 rules
applebot-extended 0 allowed · 1 disallowed
  • Disallow/
All bots 1 allowed · 32 disallowed
  • Allow/
  • Disallow/blog/wp-admin/admin-ajax.php
  • Disallow/blog/wp-admin/options-general.php
  • Disallow/blog/wp-admin/themes.php
  • Disallow/blog/wp-admin/load-scripts.php
  • Disallow/blog/wp-admin/upload.php
  • Disallow/blog/wp-admin/load-styles.php
  • Disallow/blog/wp-admin/plugins.php
  • Disallow/blog/wp-admin/admin.php
  • Disallow/blog/wp-admin/post.php
  • Disallow/*?price
  • Disallow/*?search
  • Disallow/*?coupon
  • Disallow/*?promo
  • Disallow/*?checkoutType
  • Disallow/*?school
  • Disallow/*?skill
  • Disallow/*?difficulty
  • Disallow/*?duration
  • Disallow/*?type
  • Disallow/dashboard
  • Disallow/settings/*
  • Disallow/quick-checkout*
  • Disallow/checkout/*
  • Disallow/assessment/*
  • Disallow/org/*
  • Disallow/enrollment/*
  • Disallow/flag/*
  • Disallow/test/*
  • Disallow/masters-artificial-intelligence/student-guide
  • Disallow/mba-ai-product-management/student-guide
  • Disallow/resources/*
  • Disallow/*/404

Sitemaps

2

Registration details RDAP / WHOIS

RegistrarCSC Corporate Domains, Inc.
Registered2012-01-17
Expires2028-01-17
Domain statusclient delete prohibited、client transfer prohibited、client update prohibited
Nameserversns-1014.awsdns-62.net、ns-1109.awsdns-10.org、ns-13.awsdns-01.com、ns-1549.awsdns-01.co.uk
DNSSECunsigned

DNS records

TypeNameValueTTLPriority
Awww.udacity.com.cdn.cloudflare.net104.18.42.98300—
Awww.udacity.com.cdn.cloudflare.net172.64.145.158300—
AAAAwww.udacity.com.cdn.cloudflare.net2606:4700:4408::6812:2a62300—
AAAAwww.udacity.com.cdn.cloudflare.net2a06:98c1:3109::ac40:919e300—
MXudacity.commxa-00593801.gslb.pphosted.com6010
MXudacity.commxb-00593801.gslb.pphosted.com6010
NSudacity.comns-1014.awsdns-62.net163792—
NSudacity.comns-1109.awsdns-10.org163792—
NSudacity.comns-13.awsdns-01.com163792—
NSudacity.comns-1549.awsdns-01.co.uk163792—
TXTudacity.comapple-domain-verification=iaobRRgsJ5xUkcuj60—
TXTudacity.comatlassian-domain-verification=59aeShSTbEvs7cB33k4Wsvath8fOirTAy79UnAbOloto0AyhJb41hHFK8SGb8zxF60—
TXTudacity.comatlassian-domain-verification=mBjfUMIIMEpsVsE5wql1jKvzxVpCWKZwpnSWFbY51pnIrp5nSd+8xJn4GKhfHK7j60—
TXTudacity.comatlassian-sending-domain-verification=4a498916-8f31-4a42-b4ec-758ee24b79e460—
TXTudacity.comcursor-domain-verification-7zn380=ChGiB1Fhp14asve0cCXYyhxFn60—
TXTudacity.comfacebook-domain-verification=q0sgl66mvrtj3ivlf1s98bn6gxvii260—
TXTudacity.comgoogle-site-verification=FJqQiq8r-ExkN9kiVDy44SL2wkm6VS8zka0HUkunGME60—
TXTudacity.comstatus-page-domain-verification=y08j3wqb2sw960—
TXTudacity.comv=spf1 include:_spf.google.com include:sendgrid.net include:mail.zendesk.com include:mktomail.com include:_spf.salesforce.com include:244199112.spf08.hubspotemail.net ip4:205.220.165.99 ip4:205.220.177.99 -all60—
CNAMEwww.udacity.comwww.udacity.com.cdn.cloudflare.net60—
DMARC_dmarc.udacity.comv=DMARC1;p=reject;fo=1;rua=mailto:[email protected];ruf=mailto:[email protected]60—

TLS and certificates

AssessmentNormal configuration
Supported protocolsTLSv1.2、TLSv1.3
Negotiated protocolTLSv1.3
Certificate subjectudacity.com
IssuerLet's Encrypt
Valid until2026-10-21T10:01 · Remaining when checked: 51 days
Verification detailsCertificate trust: Passed · Hostname match: Passed

HTTP response headers

HeaderValue
content-typetext/html; charset=utf-8
cache-controls-maxage=31536000, stale-while-revalidate=2592000
servercloudflare
strict-transport-securitymax-age=31536000; includeSubDomains
content-security-policyframe-ancestors 'self' *.udacity.com;, default-src 'self' 'unsafe-inline' 'unsafe-eval' * blob:; script-src 'self' 'unsafe-inline' 'unsafe-eval' * blob:; style-src 'self' 'unsafe-inline' * blob:; img-src 'self' data: * blob:; font-src 'self' data: blob: *; connect-src 'self' blob: *; report-uri 'https://csp-reports.udacity.com/report'; report-to udacity-csp-reports
x-frame-optionsSAMEORIGIN
x-content-type-optionsnosniff
referrer-policystrict-origin-when-cross-origin
set-cookieRedacted

Identified technologies

Next.jsCloudflare

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