udemy.com
AI Security Summary
89/100 — trusted. Long-established domain (17.1 years old), clean threat reputation, no impersonation patterns. Verdict driven by: no privacy policy found; no terms of service found; no contact page found — worth extra caution before trusting.
The server is reachable but did not return a success status.
Addressing this signal prevents trust downgrades and potential security risks.
View Glossary Guide- HTTPS is enforced
- Fast response (7ms)
- Served through Cloudflare
- 4 address record(s) resolved
- IPv6 (AAAA) available
- 2 authoritative nameservers
- Domain registered 17+ years ago
- Owner information disclosed
- Site returned HTTP 403
- Missing HSTS
- No privacy policy found
- No terms of service found
- No contact page found
No critical issues found
Domain passes all high-risk checks
- Registrar Name
- SafeNames Ltd.
- Creation Date
- August 13, 2009 (17.1 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
- 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)
- aspmx.l.google.com (Priority: 1), alt1.aspmx.l.google.com (Priority: 5), alt2.aspmx.l.google.com (Priority: 5), alt3.aspmx.l.google.com (Priority: 10), alt4.aspmx.l.google.com (Priority: 10), aspmx2.googlemail.com (Priority: 10), aspmx3.googlemail.com (Priority: 10)
- Authoritative Nameservers (NS)
- anna.ns.cloudflare.com, pete.ns.cloudflare.com
- TXT Records Found
- 48 TXT verification records
- 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
- 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
- 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
- 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
- —
- HTTP Response Time
- 7 ms
- Payload Body Size
- 5.5 KB
- Compression Status
- Uncompressed
- Cache Directives
- Standard caching rules
89/100 — trusted. Long-established domain (17.1 years old), clean threat reputation, no impersonation patterns. Verdict driven by: no privacy policy found; no terms of service found; no contact page found — worth extra caution before trusting.
- 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
- 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
- Certificate Authority (Issuer)
- C=US, O=Let's Encrypt, CN=YE1
- Subject Common Name (CN)
- community.udemy.com
- Validity Period
- 85 days remaining (Expires: 2026-11-30T05:41:41)
- Subject Alternative Names (SANs)
- 40 domains protected
- Certificates Logged (CT)
- 3072 certs recorded
- Published Phone Numbers
- 1788606978-1.2.1.1, 1788606978, 1788606978-1.0.1.1, 8-1788606978-1.2.1.1
- Robots.txt Directives
- Not Found
- Sitemaps Declared
- None in robots.txt
- Disallow Rules Count
- 0 rules
Export & Share Intelligence
Download the complete official PDF verification report (all sections and technical signals expanded), or export raw JSON telemetry.
Scan Engine Performance
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