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unrecognised fingerprint

t13d401000_f972e4e48286_518fb456ca59

Unclassified

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

TLS 1.3no ALPN2026-07-20 → 2026-07-20
JA4
JA4_r
JA3
no single JA3 is stored for this fingerprint.
JA3_raw
—

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Read

catalog identity
No ground-truth build has reproduced this hello yet — absence is not a verdict.
self-randomisation
unclassified · 2 JA3 — only 2 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

2
observations
1
domains reached
2026-07-20
first seen
2026-07-20
last seen

ClientHello anatomy

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

TLS version
TLS 1.3
ALPN (wire order)
—
EC point formats
0x0000, 0x0001, 0x0002
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(40)
  1. 00x1302TLS_AES_256_GCM_SHA384
  2. 10x1303TLS_CHACHA20_POLY1305_SHA256
  3. 20x1301TLS_AES_128_GCM_SHA256
  4. 30x002fTLS_RSA_WITH_AES_128_CBC_SHA
  5. 40x006aTLS_DHE_DSS_WITH_AES_256_CBC_SHA256
  6. 50x0032TLS_DHE_DSS_WITH_AES_128_CBC_SHA
  7. 60xc009TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
  8. 70xc02fTLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
  9. 80x0088unknown (0x0088)
  10. 90x009fTLS_DHE_RSA_WITH_AES_256_GCM_SHA384
  11. 100xc013TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
  12. 110x0040TLS_DHE_DSS_WITH_AES_128_CBC_SHA256
  13. 120x003cTLS_RSA_WITH_AES_128_CBC_SHA256
  14. 130xc02bTLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
  15. 140x009eTLS_DHE_RSA_WITH_AES_128_GCM_SHA256
  16. 150xc00aTLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
  17. 160x009dTLS_RSA_WITH_AES_256_GCM_SHA384
  18. 170x0039TLS_DHE_RSA_WITH_AES_256_CBC_SHA
  19. 180xc02cTLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
  20. 190x003dTLS_RSA_WITH_AES_256_CBC_SHA256
  21. 200x00a3TLS_DHE_DSS_WITH_AES_256_GCM_SHA384
  22. 210x0084unknown (0x0084)
  23. 220x009cTLS_RSA_WITH_AES_128_GCM_SHA256
  24. 230xc023TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
  25. 240xc024TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
  26. 250x0044unknown (0x0044)
  27. 260x0087unknown (0x0087)
  28. 270xc014TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
  29. 280x0035TLS_RSA_WITH_AES_256_CBC_SHA
  30. 290xc030TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
  31. 300x00a2TLS_DHE_DSS_WITH_AES_128_GCM_SHA256
  32. 310x006bTLS_DHE_RSA_WITH_AES_256_CBC_SHA256
  33. 320xc028TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
  34. 330x0041unknown (0x0041)
  35. 340x0067TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
  36. 350x0033TLS_DHE_RSA_WITH_AES_128_CBC_SHA
  37. 360x0045unknown (0x0045)
  38. 370x0038TLS_DHE_DSS_WITH_AES_256_CBC_SHA
  39. 380xc027TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
  40. 390x00ffTLS_EMPTY_RENEGOTIATION_INFO
extensions(10)sorted
  1. 00x0000server_name (SNI)
  2. 10x000asupported_groups
  3. 20x000bec_point_formats
  4. 30x000dsignature_algorithms
  5. 40x0016encrypt_then_mac
  6. 50x0017extended_master_secret
  7. 60x0023session_ticket
  8. 70x002bsupported_versions
  9. 80x002dpsk_key_exchange_modes
  10. 90x0033key_share

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

curves / groups(10)
  1. 00x001dx25519
  2. 10x0017secp256r1 (P-256)
  3. 20x001ex448
  4. 30x0019secp521r1 (P-521)
  5. 40x0018secp384r1 (P-384)
  6. 50x0100ffdhe2048
  7. 60x0101ffdhe3072
  8. 70x0102ffdhe4096
  9. 80x0103ffdhe6144
  10. 90x0104ffdhe8192
signature algorithms(23)
  1. 00x0403ecdsa_secp256r1_sha256
  2. 10x0503ecdsa_secp384r1_sha384
  3. 20x0603ecdsa_secp521r1_sha512
  4. 30x0807ed25519
  5. 40x0808ed448
  6. 50x081aunknown (0x081a)
  7. 60x081bunknown (0x081b)
  8. 70x081cunknown (0x081c)
  9. 80x0809rsa_pss_pss_sha256
  10. 90x080arsa_pss_pss_sha384
  11. 100x080brsa_pss_pss_sha512
  12. 110x0804rsa_pss_rsae_sha256
  13. 120x0805rsa_pss_rsae_sha384
  14. 130x0806rsa_pss_rsae_sha512
  15. 140x0401rsa_pkcs1_sha256
  16. 150x0501rsa_pkcs1_sha384
  17. 160x0601rsa_pkcs1_sha512
  18. 170x0303rsa_pkcs1_sha512 (legacy)
  19. 180x0301rsa_pkcs1_sha256 (legacy)
  20. 190x0302rsa_pkcs1_sha384 (legacy)
  21. 200x0402rsa_pkcs1_sha384
  22. 210x0502ecdsa_secp384r1_sha384
  23. 220x0602ecdsa_secp521r1_sha512

JA3 variants

2 distinct JA3 hashes collapse into this one JA4.

#JA3JA3_rawobsshare
0771,4866-4867-4865-107…-260,0-1-2150%
1771,4866-4867-4865-47-…-260,0-1-2150%

JA3 hashes preserve wire order, so a permuting client mints a new one per connection; JA4 sorts the same set, which is why they share one JA4. Every hash here belongs to this fingerprint — there is no per-JA3 page.

Reach — domains contacted

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