Is udemy.com safe?

Very Likely Safe

No major red flags found. This looks like a legitimate, established website.

Checked Nov 13, 2026

Trust score

Why: Main reasons: domain registered 17+ years ago; not flagged by Google Safe Browsing; no impersonation patterns detected. Minor issues: site returned HTTP 403; missing HSTS.

Identity & Age100/100

Impersonation Risk100/100

Red Flags100/100

Transparency70/100

Security100/100

Email100/100

Positive highlights

Domain registered 17+ years agoLong-established domains are far less likely to be disposable scams.
Not flagged by Google Safe BrowsingNo malware, phishing, or unwanted-software match in Google's live threat database.
HTTPS is enforcedAll redirects stayed on HTTPS. Traffic is encrypted end-to-end.
HTTPS works with a valid certificateA secure connection was made on port 443. Certificate log details were unavailable at scan time.
No impersonation patterns detectedDomain doesn't look like a typosquat, doesn't embed a well-known brand, and uses ASCII characters.
Not listed on URLhaus malware blocklist
Fast response (19ms)
Not present in PhishStats phishing feed
DMARC published (reject)
No scam-correlated language found on the home pageNo crypto-only / gift-card / wire-only payment demands, and no obvious urgency tactics.

Negative highlights

Site returned HTTP 403The server is reachable but did not return a success status.
Missing HSTSTells browsers to only use HTTPS for this domain.

Note: Registered via SafeNames Ltd..

Note: 1 technologies detected. Cloudflare

Note: Policy pages could not be checked. The site showed our scanner a bot-check or short page, so privacy, terms and contact pages were not verified. This is common for large sites and is not counted against them.

Key facts about udemy.com

Website: udemy.com
Popularity: Not checked
Domain created: Aug 13, 2009 (17.2 years old)
Domain expires: Aug 13, 2027
Registrar: SafeNames Ltd.
Owner details: Public in WHOIS
IP address: 104.16.142.237
Hosting / CDN: Cloudflare
SSL certificate: HTTPS works (certificate details unavailable)
Email security: SPF ✓ · DMARC ✓ (reject)
Threat blocklists: Not listed (clean)
Technology: Cloudflare

Summary

93/100 — trusted. Long-established domain (17.2 years old), clean threat reputation, no impersonation patterns.

No malware/phishing on feedsGood reputationHTTPS enabled

Full technical report

Domain Information

Registration timeline, age calculation, registrar details, and ICANN status.

Verified

Registrar Name: SafeNames Ltd.
Creation Date: August 13, 2009 (17.2 years ago)
Last Updated: September 1, 2025
Registry Expiry Date: August 13, 2027
WHOIS Privacy Protection: Publicly Visible
Domain Status Codes: client delete prohibited, client transfer prohibited

ICANN Status Badges

client delete prohibitedclient transfer prohibited

Open in standalone WHOIS / RDAP Lookup tool →

Domain registered 17+ years ago

Long-established domains are far less likely to be disposable scams.

+15

Registered via SafeNames Ltd.

Owner information disclosed

The domain publishes registrant contact info — a small positive transparency signal.

HTTP Headers & Security

Full HTTP response headers, HSTS, Content Security Policy (CSP), and security baselines.

Good

Security Header Baseline

Strict-Transport-SecurityMissing

Content-Security-PolicyMissing

X-Frame-Options Present

X-Content-Type-Options Present

Referrer-PolicyMissing

Permissions-PolicyMissing

Recommended Missing Headers

missing: HSTS

All Response Headers (20)

accept-ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cf-mitigated: challenge
cf-ray: a59e9e1b2f203564-CMH
connection: close
content-length: 5623
content-security-policy: default-src 'none'; script-src 'nonce-PrQsoCTVKrKBCKgUa2owCx' 'unsafe-eval' https://challenges.cloudflare.com; script-src-attr 'none'; style-src 'unsafe-inline'; img-src 'self' https://challenges.cloudflare.com; connect-src 'self' https://challenges.cloudflare.com; frame-src 'self' https://challenges.cloudflare.com blob:; child-src 'self' https://challenges.cloudflare.com blob:; worker-src blob:; form-action http: https:; base-uri 'self'
content-type: text/html; charset=UTF-8
critical-ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cross-origin-embedder-policy: require-corp
cross-origin-opener-policy: same-origin
cross-origin-resource-policy: same-origin
date: Fri, 13 Nov 2026 14:55:27 GMT
origin-agent-cluster: ?1
permissions-policy: accelerometer=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=(),xr-spatial-tracking=*
referrer-policy: same-origin
server: cloudflare
server-timing: chlray;desc="a59e9e1b2f203564"
set-cookie: __cf_bm=xSa1yVMmCrrc_VpU6BpciKwEjhJE4oGMVFFIas5N4pM-1794581728.5000858-1.0.1.1-y88m8ySF6d0VRuZw.GshmgY703Bkq2Bg1YEcoyWeAm4M4RCBrq4HChjeU9mOH9joQIesQe3KuRmg1Wx7zLBBFbHVaVWo5L7K4hfl5mPvcydBtt_oj5j8RYnPicWfT8x5; HttpOnly; SameSite=None; Partitioned; Secure; Path=/; Domain=udemy.com; Expires=Fri, 13 Nov 2026 15:25:28 GMT
x-content-type-options: nosniff
x-frame-options: SAMEORIGIN

Inspect all headers in HTTP Header Checker tool →

Missing HSTS

Tells browsers to only use HTTPS for this domain.

-4

Content Security Policy is set

Restricts which scripts and resources the page can load.

X-Frame-Options is set

Prevents clickjacking by disallowing framing.

X-Content-Type-Options is set

Blocks MIME-sniffing browser attacks.

Referrer Policy is set

Controls what referrer information is sent with requests.

Permissions Policy is set

Restricts access to powerful browser features (camera, mic, etc.).

DNS Records

Encrypted DoH resolution: A, AAAA, MX mail servers, authoritative NS, and TXT verification.

Resolved

IPv4 Addresses (A): 104.16.142.237, 104.16.143.237
IPv6 Addresses (AAAA): 2606:4700::6810:8eed, 2606:4700::6810:8fed
Mail Servers (MX): smtp.google.com (Priority: 1)
Authoritative Nameservers (NS): anna.ns.cloudflare.com, pete.ns.cloudflare.com
TXT Records Found: 51 TXT verification records

A Records (IPv4)

104.16.142.237104.16.143.237

TXT Verification Records

MS=ms39886121

_nbghqs48lzt0emavhip5o2dyy5kb0xy

apple-domain-verification=MntOsncD5C5BxosV

docusign=206e891a-5b22-4d4c-9a10-85066ba89160

docusign=d078f828-536c-4ce3-a867-b26ad811bb8a

jamf-site-verification=L9yfsaaKM7FxdBtc5kWk6g

canva-site-verification=Ng9bmmu7vJyWHYrTk_wUZw

cloudhealth=8d6a3d7f-ed91-4280-8422-b4b27b3dfcda

openai-domain-verification=dv-ncbISx7kF83lZ69Xc97AoraD

loom-site-verification=f173ba1cc44648d0ac2bbd0919868a6b

miro-verification=f165badb21a511b048a7f7a9fba3352c0db8b09b

cursor-domain-verification-pae8cg=8gFowcF4OpBSeYJTIw0GYPFvL

twilio-domain-verification=8e64b1bb044ab98ebbd3638c1babb25a

citrix-verification-code=6b798901-86c6-452c-a3ea-ed718cab39bd

mint-mcp-domain-verification-3p7dva=FgfX3ooe8zSPrzYaM0SEJjugO

onetrust-domain-verification=2a6df466515246c4a7c37104f55a82b8

anthropic-domain-verification-8xcn1b=XJ2EZ4D0KXPEyEAZU21FX1D94

pendo-domain-verification=595ba9d5-03ac-4aee-b50f-168214b6a32a

zero-path-domain-verification-6e9hdw=BtrY4vZKLJdp2XlFj1sE4FFVG

calendly-site-verification=1JSBFDpdjWnwytRLc99NKaTsatZS3UFCYYp6tFThw

everyone-social-domain-verification-jwrezp=jzDRrOXbrmEM0Q6XEbJlsjIeI

google-site-verification=0Gl3_FzqmUkS2NHg_Wd5pmGiSmt_Jk4MVnaCiDbhDnY

google-site-verification=4E_wLzpH4XLGfUSem4QVA6mUpRJDjvZ03pG1jU56hNM

google-site-verification=Ca1sgMRin5VW1yxjUntivQ3-RySo8SmJcWR6zgFW_w0

google-site-verification=FZsUD-xuwip73XO7XfuX-4kDEY-_Qel0klHmmu6CB5k

google-site-verification=IKMJeRfamsooHAMaTQdFDaQ4MsfeW1Nr6F7DPDEkycg

google-site-verification=KR2k8MUNPfIO05_bn2-YYMLxVUsnkD-ptX-lBLPmz6M

google-site-verification=RuYIvfeP5e2eBgQzIaky9XuiCkkrVE2KUBULndTtFE4

google-site-verification=c7RTHsaBu_LU5KgIFuPCWa5yxuTrkOGYtKaYt85mrq8

google-site-verification=lKnsAORvM6iM1XErS9RH0TeVGG7VfTb5ST7PGx1AQ-w

google-site-verification=ld8CL_RjIj_FPsIdElHPqkhOMJ8Rixk1y7-s0Opi-90

google-site-verification=mSmGycRVFusrCec4blSh608oUai-y0AumEuI3OlaGBo

apple-domain-verification=IEscmDl7jHBZDO_dBAG0xMjbBbPxomU_9rqwksKrNmk

globalsign-domain-verification=Bo6R5k9s2Zwdk5OoeybGk6L2EHx_oV1TqLgGiMR4IQ

globalsign-domain-verification=K9ZBZYNiNsNNOiaY2Tbjn-Bfe0dWwAwpstKoOOVJWO

globalsign-domain-verification=fB1XzR_1Hvbw32pP6EbLFlB9r4pxcc86XOgA7B7DyV

_globalsign-domain-verification=9UioyPO0_F2Epyd3gGV5_VklXzoibTukD_jkbZPw43

_globalsign-domain-verification=oJsQtL3M8axaRGjlRJ4BstY+1TfWDryoeAouwRxay7A=

prowly-verification=bebd281d32a3e1b8140345e1f876f82eff2ba617d782c6206e7c21fd9fdbd880

stripe-verification=044c7ed24abd68184b0a86b00dbd47b87d1db3a5eb2ee132df5131bfc6fe29d1

stripe-verification=4d955ddab5b0fc6cf1931b41935e45f7997f3b13677532d11e6a90b58f5156aa

stripe-verification=54fa1ebf13b6990c87e17caffc4829d9600d3bd0ca60b24e6bf9ae530baf37f3

stripe-verification=5808adfa0c91e8dfe4ecd14f20c22ba0d54b6e8b71b23a5eada978511a246e1a

stripe-verification=8ad760d1d60c9bbd83b03ed7fe20a10682f7d65774aa9db13a0b524e51cefe2c

stripe-verification=a4f63d60cd50bfe9f3b2c2d8aa55bc596a98ab6e0f0f2e9d798c6939ece90b90

stripe-verification=e006b01ab77ebbe2e6c509a4e2280540bfea979f8c49ed3efd225004aa2f6292

stripe-verification=e2909d7f06f271e18ace56ef06db7b552e6692c312adfedaf6cea1a2e0d63125

adobe-idp-site-verification=e54c98a1c7f23b54b8ac4b7b75952259c173d7bfba731f72db60eb7ad4e63d97

atlassian-domain-verification=YpSV2agr6k+w5lkm2ml8m8/N+xCTPcXjTKwDomeoJJTrgnmCoeRyXs/U576G4Cz2

atlassian-domain-verification=iztR9OQCHGIVBm5w5PmFPf1nTaqiOROSuNTF9Kv0idnfzCBmAsbfwGEF2aOK+yo4

v=spf1 include:_spf.google.com include:mktomail.com include:spf.mtasv.net include:mail.zendesk.com include:_spf.salesforce.com -all

Run live DNS resolution in DNS Lookup tool →

4 address record(s) resolved

IPv6 (AAAA) available

Modern dual-stack setup.

2 authoritative nameservers

WHOIS & Identity Lookup

Domain ownership status, registry lifecycle, nameservers, and privacy redaction.

Found

Registrable Domain: udemy.com
Registrar Organization: SafeNames Ltd.
WHOIS Privacy Status: Public Registration Data
Registry Status Codes: client delete prohibited, client transfer prohibited
Delegated Authoritative Nameservers: anna.ns.cloudflare.com, pete.ns.cloudflare.com
Registration Lifecycle: Registered: 2009 → Expires: 2027

Nameservers (NS)

anna.ns.cloudflare.compete.ns.cloudflare.com

Run dedicated WHOIS query for udemy.com →

Domain registered 17+ years ago

Long-established domains are far less likely to be disposable scams.

+15

Registered via SafeNames Ltd.

Owner information disclosed

The domain publishes registrant contact info — a small positive transparency signal.

Email Security & Deliverability

SPF record validation, DMARC policy enforcement, DKIM selectors, and MX reputation.

Protected

SPF Record: v=spf1 include:_spf.google.com include:mktomail.com include:spf.mtasv.net include:mail.zendesk.com include:_spf.salesforce.com -all
DMARC Policy Mode: Policy: REJECT
DMARC Raw Record: v=DMARC1; p=reject; rua=mailto:dmarc-udemy@udemy.com; ruf=mailto:dmarc-udemy@udemy.com; rf=afrf; fo=1; pct=100
DKIM Selectors Detected: default, google, s1, s2

Email Protection Summary: This domain has strong email authentication configured to prevent spammers from sending emails impersonating this brand.

Test email deliverability in Email Reputation tool →

SPF record published

DMARC published (reject)

DKIM configured (default, google, s1, s2)

Threat Intelligence & Blocklists

Multi-source malware feeds (URLhaus), phishing checks (PhishStats, Safe Browsing), and typosquats.

Clean

URLhaus Malware

Clean / Not Listed

PhishStats Feed

Clean / Not Listed

Google Safe Browsing

Clean / Verified

Root Domain Label: udemy
Top-Level Domain (TLD): .com (Standard TLD)
Punycode Obfuscation: No (Standard ASCII)
Homoglyph / Lookalike Script: No mixed scripts
Brand Match Analysis: No recognized brand impersonation
Typosquatting Risk: Clean

No impersonation patterns detected

Domain doesn't look like a typosquat, doesn't embed a well-known brand, and uses ASCII characters.

Technology Stack & Metadata

Detected CMS, JavaScript frameworks, analytics tags, CDN providers, and page metadata.

Detected

Detected Technologies by Category

cdn

Cloudflare

Page Metadata & Fingerprint

HTML Title: Just a moment...
Meta Description: —
Document Language: en-US
Character Encoding: UTF-8
Viewport Setting: width=device-width,initial-scale=1
Generator Software: —

Fingerprint tech stack in Technology Detector tool →

1 technologies detected

Cloudflare

Mobile viewport configured

Page Performance & Compression

Server response time, content payload size, Brotli/Gzip compression, and caching rules.

19ms

Items to Fix & Optimize

Text compression (Brotli/Gzip)

MUCH NEEDEDEnable on server or CDN

Modern image formats (WebP/AVIF/SVG)

OPTIONALConvert heavy images to WebP/AVIF

Protocol

HTTP/2

Binary framing, multiplexed

Compression

NONE

No compression detected

Optimization Signals (From Detectable Headers & Assets)

Image Formats

Legacy / Unchecked

Transfer

Uncompressed

Transport

HTTP/2

These are server-side signals. Actual Core Web Vitals (LCP, INP, CLS) require real-user measurement via PageSpeed Insights.

Detected Asset & Image Formats

WebPAVIFSVGJPEGPNG

HTTP Response Time: 19 ms
Payload Body Size: 5.5 KB
Compression Status: Uncompressed
Cache Directives: Standard caching rules

No findings.

AI Content Safety & Red Flags

High-pressure language, payment gateway safety, disposable domain analysis, and deceptive tactics.

Safe

AI Content Evaluation

93/100 — trusted. Long-established domain (17.2 years old), clean threat reputation, no impersonation patterns. Main reasons: domain registered 17+ years ago; not flagged by Google Safe Browsing; no impersonation patterns detected. Minor issues: site returned HTTP 403; missing HSTS.

Payment Red Flags: None (No suspicious payment requests)
High-Pressure Language: None (No artificial urgency detected)
Disposable Domain Risk: No (Established infrastructure)
Text Scanned Depth: 60 characters verified

No scam-correlated language found on the home page

No crypto-only / gift-card / wire-only payment demands, and no obvious urgency tactics.

Server & Hosting Infrastructure

Primary IP address, web server software, CDN edge network, and redirect hop chain.

cloudflare

Primary Web Server: cloudflare
CDN / Cloud Provider: Cloudflare
Primary IP Address: 104.16.142.237
HTTP Status Code: 403 OK
Final Landing Destination: https://udemy.com/
Redirect Hop Count: 0 hops

Lookup IP & ASN in IP Lookup tool →Trace redirects in URL Expander tool →

Site returned HTTP 403

The server is reachable but did not return a success status.

-6

HTTPS is enforced

All redirects stayed on HTTPS. Traffic is encrypted end-to-end.

+10

Fast response (19ms)

Served through Cloudflare

Sites behind a major CDN benefit from DDoS protection and edge caching.

SSL / TLS Certificate

Active Certificate Authority, Common Name, validity period, expiration countdown, and SANs.

Secure

Certificate Authority (Issuer): Not available (certificate logs did not respond)
Subject Common Name (CN): —
Validity Period: Not available
Subject Alternative Names (SANs): 1 domain protected
Certificates Logged (CT): Verified in live TLS

Subject Alternative Names (Sample)

udemy.com

Check certificate history in SSL Checker tool →

HTTPS works with a valid certificate

A secure connection was made on port 443. Certificate log details were unavailable at scan time.

Content & Transparency Policies

Linked privacy policy, terms of service, about page, social channels, and published contacts.

Warning

Key Legal & Transparency Pages

privacy PageNot linked

terms PageNot linked

contact PageNot linked

about PageNot linked

refund PageNot linked

shipping PageNot linked

cookies PageNot linked

Published Phone Numbers: 1794581728-1.2.1.1, 1794581728, 1794581728-1.0.1.1

Policy pages could not be checked

The site showed our scanner a bot-check or short page, so privacy, terms and contact pages were not verified. This is common for large sites and is not counted against them.

Robots.txt & Sitemap Discoverability

Search engine crawler directives, indexability, and declared XML sitemaps.

Missing

Robots.txt Directives: Not Found
Sitemaps Declared: None in robots.txt
Disallow Rules Count: 0 rules

No findings.

Export & Share Intelligence

Download the complete official PDF verification report (all sections and technical signals expanded), or export raw JSON telemetry.

Scan Engine Performance

Automated multi-signal inspection pipeline

v5.1.0 Engine

Signals Analyzed

This scan

Sources Checked

Live security feeds

Scan Duration

3.57s

Full live scan

Last Scan

11/13/2026

Live timestamp

Overall Risk

Low Risk

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