server name
firefox-settings-attachments.cdn.mozilla.net
Too few observations
Too little traffic to read — a spread of 1.0 over three connections is noise; the same over sixty thousand is worth a look.
- domain
Read
client diversity
4 distinct client stacks reach this name.
concentration
0.959 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
6
observations
4
distinct clients
2026-07-19
first seen
2026-07-23
last seen
Client stacks reaching this name
- Mozilla Firefoxmulti-build33%
- 33%
- t12d1411h2_c86…2f290f6funclassified17%
- 17%
Busiest 4 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 |
|---|---|---|---|---|---|---|
| Mozilla Firefox Firefox cipher-suite signature — also forks (Zen, LibreWolf, Tor Browser); any extension permutation or version | — | multi-build | 2 | 33% | 2026-07-19 | 2026-07-23 |
| t12d1011h2_6c012…2f290f6f | 0f31b4f8…5822d5 | fixed | 2 | 33% | 2026-07-23 | 2026-07-23 |
| t12d1411h2_c866b…2f290f6f | 6c1e7c2d…866614 | unclassified | 1 | 17% | 2026-07-22 | 2026-07-22 |
| t12d1311h2_e7a2a…2f290f6f | e16c834b…b7a224 | fixed | 1 | 17% | 2026-07-23 | 2026-07-23 |