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unrecognised fingerprint

t12d230500_5e66bc6d9a82_5aafb6b650ff

Unclassified

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

TLS 1.2no ALPN2026-07-20 → 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 3 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

3
observations
1
domains reached
2026-07-20
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)
—
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(23)
  1. 00xc02bTLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
  2. 10xc02fTLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
  3. 20x009eTLS_DHE_RSA_WITH_AES_128_GCM_SHA256
  4. 30x009cTLS_RSA_WITH_AES_128_GCM_SHA256
  5. 40xc00aTLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
  6. 50xc014TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
  7. 60x0039TLS_DHE_RSA_WITH_AES_256_CBC_SHA
  8. 70x006bTLS_DHE_RSA_WITH_AES_256_CBC_SHA256
  9. 80x0038TLS_DHE_DSS_WITH_AES_256_CBC_SHA
  10. 90x0035TLS_RSA_WITH_AES_256_CBC_SHA
  11. 100x003dTLS_RSA_WITH_AES_256_CBC_SHA256
  12. 110xc009TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
  13. 120xc013TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
  14. 130x0033TLS_DHE_RSA_WITH_AES_128_CBC_SHA
  15. 140x0067TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
  16. 150x0032TLS_DHE_DSS_WITH_AES_128_CBC_SHA
  17. 160x002fTLS_RSA_WITH_AES_128_CBC_SHA
  18. 170x003cTLS_RSA_WITH_AES_128_CBC_SHA256
  19. 180x0005unknown (0x0005)
  20. 190x0004unknown (0x0004)
  21. 200x0016unknown (0x0016)
  22. 210x0013unknown (0x0013)
  23. 220x000aunknown (0x000a)
extensions(5)sorted
  1. 00x0000server_name (SNI)
  2. 10x000asupported_groups
  3. 20x000bec_point_formats
  4. 30x000dsignature_algorithms
  5. 40xff01renegotiation_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(12)
  1. 00x0403ecdsa_secp256r1_sha256
  2. 10x0503ecdsa_secp384r1_sha384
  3. 20x0603ecdsa_secp521r1_sha512
  4. 30x0203ecdsa_sha1
  5. 40x0401rsa_pkcs1_sha256
  6. 50x0501rsa_pkcs1_sha384
  7. 60x0601rsa_pkcs1_sha512
  8. 70x0201rsa_pkcs1_sha1
  9. 80x0402rsa_pkcs1_sha384
  10. 90x0502ecdsa_secp384r1_sha384
  11. 100x0602ecdsa_secp521r1_sha512
  12. 110x0202unknown (0x0202)

Reach — domains contacted

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