server name
ecs.office.com
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
0.875 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
8
observations
4
distinct clients
2026-07-19
first seen
2026-07-23
last seen
Client stacks reaching this name
- t13d201300_2b7…69dc5faaunclassified50%
- Google Chrome / Chromiumrandomising25%
- t13d201200_2b7…68c0d440unclassified13%
- 13%
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 |
|---|---|---|---|---|---|---|
| t13d201300_2b729…69dc5faa | 6634ba84…49b103 | unclassified | 4 | 50% | 2026-07-19 | 2026-07-22 |
| Google Chrome / Chromium Chromium cipher-suite signature — Chrome, Edge, Brave, Opera; any extension permutation or version | — | randomising | 2 | 25% | 2026-07-19 | 2026-07-20 |
| t13d201200_2b729…68c0d440 | 2800f914…6a460c | unclassified | 1 | 13% | 2026-07-19 | 2026-07-19 |
| t12d190800_d83cc…ed941c26 | a0e9f5d6…1f42e1 | fixed | 1 | 13% | 2026-07-23 | 2026-07-23 |