server name
firefox.settings.services.mozilla.com
Mixed audience
A mix of client stacks reach this name, none dominating.
- domain
Read
client diversity
6 distinct client stacks reach this name.
concentration
0.804 traffic splits near-evenly across many unrelated stacks.
Spread is entropy over the fingerprints reaching this domain, not over the domains a fingerprint reaches. It can’t distinguish one scraper from many people — it measures the mix of software, not who runs it.
Footprint
19
observations
6
distinct clients
2026-07-20
first seen
2026-07-23
last seen
Client stacks reaching this name
- 53%
- t12d1411h2_c86…2f290f6funclassified11%
- 11%
- t13d2309h2_bc6…8a4b704bunclassified11%
- t13d3013h2_1d3…70b4dd61multi-build11%
- t12d1312h2_e7a…d692470aunclassified5.3%
Busiest 6 client stacks on this page. Share is the fraction of this name’s observations. Many distinct fingerprints on a low-traffic name is itself worth a look; a blank JA3 is a permuting client — open the fingerprint for its variants.
| client | JA3 | stability | count | share | first seen | last seen |
|---|---|---|---|---|---|---|
| t12d1311h2_e7a2a…2f290f6f | e16c834b…b7a224 | fixed | 10 | 53% | 2026-07-20 | 2026-07-23 |
| t12d1411h2_c866b…2f290f6f | 6c1e7c2d…866614 | unclassified | 2 | 11% | 2026-07-20 | 2026-07-20 |
| t12d1011h2_6c012…2f290f6f | 0f31b4f8…5822d5 | fixed | 2 | 11% | 2026-07-23 | 2026-07-23 |
| t13d2309h2_bc643…8a4b704b | — | unclassified | 2 | 11% | 2026-07-22 | 2026-07-22 |
| t13d3013h2_1d37b…70b4dd61 | — | multi-build | 2 | 11% | 2026-07-22 | 2026-07-22 |
| t12d1312h2_e7a2a…d692470a | 8e8a9396…8bd809 | unclassified | 1 | 5.3% | 2026-07-23 | 2026-07-23 |