This page aggregates measured, corroborated evidence: donors' iPhones recorded apps contacting this domain, every claim below was reported by separate accepted donations and published under a human verdict (later rows for an approved app inherit its verdict). A contact is a measurement, not an accusation — it does not show what data was sent.
static-bos5-1.xx.fbcdn.net
classified as cdn · 2
What our research panel found AI-drafted · human-reviewed
We ask several independent AI models the same question and publish their answers separately — cross-vendor agreement is evidence against fabrication, and disagreement is worth seeing. 3 of 3 models answered, overall confidence high. A human reviewed this domain's claims before anything here published.
Anthropic Claude — cdn
fbcdn.net is Meta's own content-delivery domain (Facebook CDN), and 'static-bos5-1.xx' matches its static-asset host naming, so this is a first-party CDN contact by the Facebook app itself. Serving app content from the operator's own CDN implies no data flow beyond what the extensive label already declares.
OpenAI — cdn
The fbcdn.net domain is consistent with Facebook/Meta content delivery infrastructure. A static CDN contact alone does not establish a data flow beyond Facebook's extensive declared collection or sharing categories.
Google Gemini — cdn
static-bos5-1.xx.fbcdn.net belongs to Meta's Content Delivery Network (FBCDN) used to deliver static assets for Facebook. This is standard first-party content delivery infrastructure and does not indicate undisclosed data collection.
Apps measured contacting this domain
| App | Label gap | Donations | Contacts | Seen |
|---|---|---|---|---|
| — | 3 | 3 | 2026-07-30 |
The corpus grows one report at a time: donate your App Privacy Report — anonymous by design.
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