This isn't a website you visit to shop or sign up for anything. It's a technical subdomain used by Google's advertising network to serve ads or track impressions. That explains why there's no about page, no privacy policy, and no contact form — none of those are expected for a behind-the-scenes server. The domain itself belongs to doubleclick.net, which has been Google's ad platform for years. The security is up to modern standards with a valid TLS certificate, and there are no blacklist entries or malware warnings. If you're checking whether 10506856.fls.doubleclick.net is safe, the answer is yes — but you won't ever need to interact with it directly. It's just infrastructure, and Google runs it well.
In plain English
This is a Google-owned subdomain used for ad serving and tracking. It's not a consumer-facing website, so missing contact pages and legal policies are normal. The technical setup is solid, and there are no security flags. You don't need to worry about trusting it for what it is.
Cross-referenced 28 live signals from Google Safe Browsing, VirusTotal, WHOIS and more on Jul 4, 2026.
How we score →
Where the score comes from
We look at six areas. Here's how 10506856.fls.doubleclick.net did in each.
90
Security
Strong security: modern TLS with a valid certificate from a trusted issuer, and no malware or phishing flags. This is what you'd expect from any legitimate Google service.
80
Identity
This is a subdomain of doubleclick.net, which is owned by Google. While the specific subdomain's WHOIS is unavailable, the parent domain is one of the most recognized on the web. No concerns here.
85
Reputation
Clean across all checked blacklists and Google Web Risk. No history of abuse detected, which is consistent with a reputable ad infrastructure.
70
Transparency
No contact info, about page, or social links, but that's standard for an ad/tracking endpoint. This isn't a business you interact with directly, so the lack of transparency doesn't raise red flags.
75
Compliance
Missing privacy policy and terms of service, but this subdomain doesn't collect personal data visibly or serve end users. Google's overarching policies likely apply, so this is not a concern.
75
Infrastructure
Hosted on Google's own network with reliable DNS and a fast load time. No email handling or DNSSEC, but those aren't needed for a simple ad service.
What we checked
The 28 signals behind this report.
Security & Transport
Certificate Issuer
Google Trust Services
Google Web Risk
Clean
Legacy TLS
Accepted
SSL Certificate
Valid
Security Headers
0 of 6
Server
cafe
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
1 IP(s)
DNSSEC
Not enabled
Email (MX Records)
None
Hosting Network (ASN)
AS15169 GOOGLE
Page Load Time
1021ms
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
Selective access
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10506856.fls.doubleclick.net
85
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