udacity.com

.com toplist crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 734 ms crawled 2026-05-18

US · 3.164.206.79 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title: Learn the Latest Tech Skills; Advance Your Career | Udacity
Description: 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!
Language: en
Canonical: https://www.udacity.com/

Open Graph

url: https://www.udacity.com/
title: Learn the Latest Tech Skills; Advance Your Career | Udacity
description: 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!

Technology

CDN: Cloudflare
CMS: Next.js

Third-party hosts loaded (2)

cdn.sanity.io×19
transcend-cdn.com×2

Social

Registration

Registrar

CSC Corporate Domains, Inc.

Created

2012-01-17

Expires

2028-01-17 606 days left

Updated

2026-03-23

Name servers

ns-1014.awsdns-62.net
ns-1109.awsdns-10.org
ns-13.awsdns-01.com
ns-1549.awsdns-01.co.uk

DNS records live

NS

ns-1014.awsdns-62.net
ns-1109.awsdns-10.org
ns-13.awsdns-01.com
ns-1549.awsdns-01.co.uk

MX

10 mxa-00593801.gslb.pphosted.com
10 mxb-00593801.gslb.pphosted.com

TXT

status-page-domain-verification=y08j3wqb2sw9
atlassian-sending-domain-verification=4a498916-8f31-4a42-b4ec-758ee24b79e4

Verified for

Apple
Atlassian
Cursor
Google
Meta

Email authentication strong

SPF

v=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 -all

strict (-all)

DMARC

v=DMARC1;p=reject;fo=1;rua=mailto:dmarc_rua@emaildefense.proofpoint.com;ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

policy: reject (enforced)

DKIM

Show 4 DKIM selectors

google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmu62kxM6GmcYh+T9JVwUEstpwTNUx9I7l3NhjLc6NQeKk3unSlJRM4iGUzjAdqxlPKflYUx2/h0Omw…
s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtySDhiRyIQXJM7dau+172RueH3CXg6pRboefnrN8undBXPBVp9AEZfPWqMwWLhyrROyWkUg4dfhwV4kdXt…
s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDwTgXh08oIImVea9b5fD6t9nBK6aJIfIUPjH9XL+84v1bdIBIlC2t+p6OZCMdeUxdcYItd/ERB5ZfkHwdxMF8QUS…
smtpapi: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDPtW5iwpXVPiH5FzJ7Nrl8USzuY9zqqzjE0D1r04xDN6qwziDnmgcFNNfMewVKN2D1O+2J9N14hRprzByFwfQW76…

selectors probed

Certificate (current)

Amazon RSA 2048 M04

from 2026-03-04 to 2026-09-18

Expires in 120 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.udacity.com/

present

strict-transport-security
content-security-policy
x-content-type-options

findings

CSP allows unsafe inline scripts/styles
CSP uses wildcard sources
missing frame protection
missing Referrer Policy
missing Permissions Policy

Header values

x-content-type-options: nosniff
content-security-policy: frame-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
strict-transport-security: max-age=31536000; includeSubDomains