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unrecognised fingerprint

t12d2009h2_0477368b4cf0_2d60bd5e8aac

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/1.12026-07-22 → 2026-07-22
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
2026-07-22
first seen
2026-07-22
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(20)
  1. 00xcca8TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305
  2. 10x009dTLS_RSA_WITH_AES_256_GCM_SHA384
  3. 20x003cTLS_RSA_WITH_AES_128_CBC_SHA256
  4. 30xc02cTLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
  5. 40xc027TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
  6. 50xc030TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
  7. 60x009cTLS_RSA_WITH_AES_128_GCM_SHA256
  8. 70xc02bTLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
  9. 80xcca9TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305
  10. 90xc023TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
  11. 100xc02fTLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
  12. 110xc012unknown (0xc012)
  13. 120x000aunknown (0x000a)
  14. 130x0005unknown (0x0005)
  15. 140xc014TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
  16. 150xc007unknown (0xc007)
  17. 160xc00aTLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
  18. 170xc011unknown (0xc011)
  19. 180x0035TLS_RSA_WITH_AES_256_CBC_SHA
  20. 190x002fTLS_RSA_WITH_AES_128_CBC_SHA
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. 00x0017secp256r1 (P-256)
  2. 10x0018secp384r1 (P-384)
  3. 20x0019secp521r1 (P-521)
signature algorithms(10)
  1. 00x0805rsa_pss_rsae_sha384
  2. 10x0601rsa_pkcs1_sha512
  3. 20x0203ecdsa_sha1
  4. 30x0201rsa_pkcs1_sha1
  5. 40x0503ecdsa_secp384r1_sha384
  6. 50x0401rsa_pkcs1_sha256
  7. 60x0804rsa_pss_rsae_sha256
  8. 70x0501rsa_pkcs1_sha384
  9. 80x0403ecdsa_secp256r1_sha256
  10. 90x0806rsa_pss_rsae_sha512

Reach — domains contacted

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