User-Agent
Slackbot-LinkExpanding 1.0 (+https://api.slack.com/robots)
first seen 2026-06-18 11:50 · last seen 2026-10-27 12:18 · JSON
Last 7 days (1 observations)
Distinct clients per day (last 30 days, peak 4/day)
Distinct clients are counted by IP-hash per complete UTC day — unlike observation counts this is insensitive to one chatty client, but NAT merges clients and address rotation splits them.
Decomposed attributes
| Browser / client | Slackbot-LinkExpanding 1.0 |
|---|---|
| Device class | bot |
| Declared URL | https://api.slack.com/robots |
| Note | inferred from the self-declared string — a claim, not a measurement; compare with the wire fingerprints above |
Co-observed signals
Signals from other families seen in the same observation. A fingerprint spread thinly across many lower-layer signatures is a classic inconsistency signal.
TLS ClientHello (JA4)
| fingerprint | co-occurrences |
|---|---|
t13d3113h1_e8f1e7e78f70_ce5650b735ce Match?Exact match in Thumbprint's published controlled catalog captures: php-guzzle 8.2.0, php-guzzle 8.3.1, php-guzzle 8.1.0, +4 more.The fingerprint page shows the full measured match list. More on the catalog. | 80 |
HTTP request (JA4H)
| fingerprint | co-occurrences |
|---|---|
ge11nn050000_fc779ac3aeeb_000000000000_000000000000 | 75 |
ge11nn050000_fa84df743761_000000000000_000000000000 | 4 |
ge11nn040000_e1d2031bdfea_000000000000_000000000000 | 1 |
TCP SYN (p0f)
TCP SYN (JA4T)
| fingerprint | co-occurrences |
|---|---|
26883_2-4-8-1-3_1460_12 | 74 |
Country
| fingerprint | co-occurrences |
|---|---|
US · United States | 80 |
Network (ASN)
| fingerprint | co-occurrences |
|---|---|
AS14618 · Amazon.com, Inc. | 80 |
TLS supported groups
| fingerprint | co-occurrences |
|---|---|
001d,0017,001e,0019,0018,0100,0101,0102,0103,0104 Match?Exact match in Thumbprint's published controlled catalog captures: curl 8.13.0, php-guzzle 8.3.1, curl 7.88.1, +10 more.The fingerprint page shows the full measured match list. More on the catalog. | 3 |