You might have come across rr4---sn-q4fl6nsl.googlevideo.com in your browser's address bar while watching YouTube. That's because it's a backend server used by Google to stream video content. It's not a website you visit on purpose, and trying to do so just gives you a 404 error. That's normal. The domain is part of Google's own infrastructure, hosted on their network with a valid SSL certificate and no blacklist history. There's no scam to worry about here. For any video streaming service, seeing subdomains like this is routine. If you're wondering whether it's safe, the answer is yes. It's just Google's video delivery system doing its job.
In plain English
This is a Google video server subdomain, not a standalone website. It returns a 404 page, but the security and ownership signals are solid. There's nothing here to worry about if you're just seeing it in your browser's address bar during video playback.
Cross-referenced 29 live signals from Google Safe Browsing, VirusTotal, WHOIS and more on Jul 19, 2026.
How we score →
Where the score comes from
We look at six areas. Here's how rr4---sn-q4fl6nsl.googlevideo.com did in each.
85
Security
Good security posture: the connection uses modern encryption, the certificate is from a trusted issuer, and there are no safety warnings. This is exactly what you'd expect from a Google-operated server.
80
Identity
The subdomain is part of googlevideo.com, which is owned by Google. While the specific subdomain's whois isn't listed, the hosting and certificate both point clearly to Google, making the ownership reliable.
75
Reputation
No blacklist entries or malware flags. The domain isn't in major web archives, but that's normal for a server endpoint that isn't meant to be browsed.
90
Transparency
Missing contact info and about page, but that's expected for a backend server that isn't consumer-facing. No one expects a CDN server to list a phone number.
90
Compliance
No privacy policy or terms of service on this subdomain. That's standard for infrastructure servers that don't collect user data or host commercial content.
80
Infrastructure
Fast server response and clickjacking protection are in place. DNSSEC isn't enabled, but that's not unusual for a subdomain that Google manages internally.
What we checked
The 29 signals behind this report.
Security & Transport
Certificate Issuer
Google Trust Services
Clickjacking Protection
Present
Google Web Risk
Clean
Legacy TLS
Accepted
SSL Certificate
Valid
Security Headers
1 of 6
Server
gvs 1.0
TLS Version
TLS 1.3
Identity & WHOIS
About Page
Not found
Branding
Missing
Business Disclosure
Not found
Contact Info
Not found
Legal Pages
Missing
Infrastructure & DNS
DNS Blacklists
Clean
DNS Resolution
2 IP(s)
DNSSEC
Not enabled
Email (MX Records)
None
Hosting Network (ASN)
AS15169 GOOGLE
Page Load Time
390ms
Reputation & Reach
Page Language
en
Page Title
Error 404 (Not Found)!!1
Sitemap
Not found
Social Media Presence
None found
Structured Data
None found
Tranco Rank
Not ranked
Trustpilot
No Trustpilot profile
Web Archive History
Unable to check
Website Status
HTTP 404
robots.txt
Blocks all crawlers
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rr4---sn-q4fl6nsl.googlevideo.com
80
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