cdn.zoom.us is a content delivery network subdomain used by Zoom Video Communications. It's not a website you visit directly — it serves files and assets to Zoom clients. Our analysis found strong security: valid encryption, enforced HTTPS, and no malware blacklists. The domain name itself ties clearly to a major company with a long track record. There's no need to wonder if cdn.zoom.us is a scam; everything points to it being a legitimate part of Zoom's infrastructure. If you're asking whether cdn.zoom.us is safe to trust for data delivery, the answer is yes. The lack of a separate privacy policy or contact page is normal for a CDN endpoint. For a typical user, this domain poses no risk.
In plain English
This is a CDN subdomain belonging to Zoom, a well-known video conferencing company. All security signals are solid, and there are no signs of abuse. You can trust that files served from this address are legitimate Zoom infrastructure.
Cross-referenced 27 live signals from Google Safe Browsing, VirusTotal, WHOIS and more on Jul 10, 2026.
How we score →
Where the score comes from
We look at six areas. Here's how cdn.zoom.us did in each.
90
Security
Solid security setup: valid SSL certificate, enforced HTTPS, and modern TLS encryption. This is exactly what you'd expect from a legitimate infrastructure endpoint.
85
Identity
This is a subdomain of zoom.us, a major company. The lack of a separate WHOIS record for a subdomain is normal. The domain name itself strongly signals who runs it.
80
Reputation
Clean on all blacklists and no malware flags. No Wayback Machine history is expected for a CDN subdomain that isn't meant to be browsed directly.
90
Transparency
No about page or contact info, but that's standard for a content delivery network endpoint. It's not a consumer-facing site, so transparency expectations don't apply.
95
Compliance
Legal pages like privacy policies are irrelevant for a CDN subdomain. No compliance red flags here.
80
Infrastructure
Hosted on Cloudflare with fast load times and clean DNS. No DNSSEC, but that's not a concern for a subdomain used solely for file delivery.
What we checked
The 27 signals behind this report.
Security & Transport
Certificate Issuer
DigiCert Inc
Google Web Risk
Clean
HSTS Header
Present
SSL Certificate
Valid
Security Headers
1 of 6
Server
cloudflare
TLS Version
TLS 1.3
Identity & WHOIS
About Page
Not found
Branding
Basic
Business Disclosure
Not found
Contact Info
Unable to check
Legal Pages
Unable to check
Infrastructure & DNS
CDN
Cloudflare
DNS Blacklists
Clean
DNS Resolution
4 IP(s)
DNSSEC
Not enabled
Email (MX Records)
None
Hosting Network (ASN)
AS209242 CLOUDFLARESPECTRUM Cloudflare, Inc.
Page Load Time
453ms
Reputation & Reach
Sitemap
Not found
Social Media Presence
Unable to check
Structured Data
None found
Tranco Rank
Not ranked
Trustpilot
No Trustpilot profile
Web Archive History
No archive found
Website Status
Bot protection detected
robots.txt
Not found
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cdn.zoom.us
85
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