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unrecognised fingerprint

t12d2109h2_76e208dd3e22_16bbda4055b2

Unclassified

Too few observations to classify this stack — a handful of connections can't tell a permuting client from coincidence.

TLS 1.2ALPN h2 · http/1.12026-07-23 → 2026-07-23
JA4
JA4_r
JA3
JA3_raw

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catalog identity
No ground-truth build has reproduced this hello yet — absence is not a verdict.
self-randomisation
unclassified — only 1 observation(s) — too few to tell a permuting client from a coincidence.
reach
0.000effectively one destination.

Spread measures reach, not intent: it can’t tell one scraper visiting 500 domains from 500 people visiting one each. Stability is a claim about software — whether the stack is deterministic — nothing about who runs it.

Footprint

1
observations
1
domains reached
2026-07-23
first seen
2026-07-23
last seen

ClientHello anatomy

The underscore groups of JA4_r are the raw cipher suites · extensions · signature algorithms behind the hash.

TLS version
TLS 1.2
ALPN (wire order)
h2, http/1.1
EC point formats
0x0000
Post-quantum key share
absent

The post-quantum key share is a structural fact about the hello, not a verdict — GREASE values are flagged the same neutral way.

cipher suites(21)
  1. 00xc02cTLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
  2. 10xc02bTLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
  3. 20xc030TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
  4. 30xc02fTLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
  5. 40x009fTLS_DHE_RSA_WITH_AES_256_GCM_SHA384
  6. 50x009eTLS_DHE_RSA_WITH_AES_128_GCM_SHA256
  7. 60xc024TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
  8. 70xc023TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
  9. 80xc028TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
  10. 90xc027TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
  11. 100xc00aTLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
  12. 110xc009TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
  13. 120xc014TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
  14. 130xc013TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
  15. 140x009dTLS_RSA_WITH_AES_256_GCM_SHA384
  16. 150x009cTLS_RSA_WITH_AES_128_GCM_SHA256
  17. 160x003dTLS_RSA_WITH_AES_256_CBC_SHA256
  18. 170x003cTLS_RSA_WITH_AES_128_CBC_SHA256
  19. 180x0035TLS_RSA_WITH_AES_256_CBC_SHA
  20. 190x002fTLS_RSA_WITH_AES_128_CBC_SHA
  21. 200x000aunknown (0x000a)
extensions(9)sorted
  1. 00x0000server_name (SNI)
  2. 10x0005status_request (OCSP)
  3. 20x000asupported_groups
  4. 30x000bec_point_formats
  5. 40x000dsignature_algorithms
  6. 50x0010application_layer_protocol_negotiation (ALPN)
  7. 60x0017extended_master_secret
  8. 70x0023session_ticket
  9. 80xff01renegotiation_info

Stored sorted — under one JA4 the wire order varies by construction, so no single order is “the” order.

curves / groups(3)
  1. 00x001dx25519
  2. 10x0017secp256r1 (P-256)
  3. 20x0018secp384r1 (P-384)
signature algorithms(9)
  1. 00x0401rsa_pkcs1_sha256
  2. 10x0501rsa_pkcs1_sha384
  3. 20x0201rsa_pkcs1_sha1
  4. 30x0403ecdsa_secp256r1_sha256
  5. 40x0503ecdsa_secp384r1_sha384
  6. 50x0203ecdsa_sha1
  7. 60x0202unknown (0x0202)
  8. 70x0601rsa_pkcs1_sha512
  9. 80x0603ecdsa_secp521r1_sha512

Reach — domains contacted

Top 1 of 1. Share is the fraction of this fingerprint’s observations reaching each name.