server name
incoming.telemetry.mozilla.org
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
9 distinct client stacks reach this name.
concentration
0.973 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
12
observations
9
distinct clients
2026-07-20
first seen
2026-07-24
last seen
Client stacks reaching this name
- Mozilla Firefoxfixed17%
- 17%
- 17%
- Mozilla Firefoxmulti-build8.3%
- t12d1311h2_e7a…000308dfunclassified8.3%
- 8.3%
- 8.3%
- t13d3013h1_1d3…70b4dd61unclassified8.3%
- t13d3013h2_1d3…70b4dd61multi-build8.3%
Busiest 9 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 | f19d54c8…7448e9 | fixed | 2 | 17% | 2026-07-23 | 2026-07-23 |
| t13d1317h2_96aa1…d9057e0d | e5806942…c7be79 | fixed | 2 | 17% | 2026-07-23 | 2026-07-23 |
| t12d1312h2_e7a2a…d692470a | 8e8a9396…8bd809 | fixed | 2 | 17% | 2026-07-24 | 2026-07-24 |
| Mozilla Firefox Firefox cipher-suite signature — also forks (Zen, LibreWolf, Tor Browser); any extension permutation or version | — | multi-build | 1 | 8.3% | 2026-07-20 | 2026-07-20 |
| t12d1311h2_e7a2a…000308df | b7527cfc…c8bb01 | unclassified | 1 | 8.3% | 2026-07-23 | 2026-07-23 |
| t12d500500_5e02f…0e651db5 | a7d06078…487ebf | fixed | 1 | 8.3% | 2026-07-23 | 2026-07-23 |
| t12d1311h2_e7a2a…2f290f6f | e16c834b…b7a224 | fixed | 1 | 8.3% | 2026-07-22 | 2026-07-22 |
| t13d3013h1_1d37b…70b4dd61 | 23bd971c…d8503b | unclassified | 1 | 8.3% | 2026-07-22 | 2026-07-22 |
| t13d3013h2_1d37b…70b4dd61 | — | multi-build | 1 | 8.3% | 2026-07-22 | 2026-07-22 |