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unrecognised fingerprint

t13d9013h2_c6771aded2ed_57a60bdf03d1

Unclassified

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

TLS 1.3ALPN h2 · http/1.12026-07-21 → 2026-07-23
JA4
JA4_r
JA3
JA3_raw
This JA3 resolves unambiguously to the JA4 above.

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Read

catalog identity
No ground-truth build has reproduced this hello yet — absence is not a verdict.
self-randomisation
unclassified — only 4 observation(s) — too few to tell a permuting client from a coincidence.
reach
0.946 roams across 3 domains — spread is how evenly, not how many.

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

4
observations
3
domains reached
2026-07-21
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 1.3
ALPN (wire order)
h2, http/1.1
EC point formats
0x0000
Post-quantum key share
present (X25519MLKEM768)

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(90)
  1. 00x1302TLS_AES_256_GCM_SHA384
  2. 10x1303TLS_CHACHA20_POLY1305_SHA256
  3. 20x1301TLS_AES_128_GCM_SHA256
  4. 30xc02cTLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
  5. 40xc030TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
  6. 50x00a3TLS_DHE_DSS_WITH_AES_256_GCM_SHA384
  7. 60x009fTLS_DHE_RSA_WITH_AES_256_GCM_SHA384
  8. 70xcca9TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305
  9. 80xcca8TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305
  10. 90xccaaTLS_DHE_RSA_WITH_CHACHA20_POLY1305
  11. 100xc0adTLS_ECDHE_ECDSA_WITH_AES_256_CCM
  12. 110xc09fTLS_DHE_RSA_WITH_AES_256_CCM
  13. 120xc05dTLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384
  14. 130xc061TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384
  15. 140xc057TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384
  16. 150xc053TLS_RSA_WITH_ARIA_256_GCM_SHA384
  17. 160x00a7unknown (0x00a7)
  18. 170xc02bTLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
  19. 180xc02fTLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
  20. 190x00a2TLS_DHE_DSS_WITH_AES_128_GCM_SHA256
  21. 200x009eTLS_DHE_RSA_WITH_AES_128_GCM_SHA256
  22. 210xc0acTLS_ECDHE_ECDSA_WITH_AES_128_CCM
  23. 220xc09eTLS_DHE_RSA_WITH_AES_128_CCM
  24. 230xc05cTLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256
  25. 240xc060TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256
  26. 250xc056TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256
  27. 260xc052TLS_RSA_WITH_ARIA_128_GCM_SHA256
  28. 270x00a6unknown (0x00a6)
  29. 280xc0afTLS_ECDHE_ECDSA_WITH_AES_256_CCM_8
  30. 290xc0aeTLS_ECDHE_ECDSA_WITH_AES_128_CCM_8
  31. 300xc0a3TLS_DHE_RSA_WITH_AES_256_CCM_8
  32. 310xc0a2TLS_DHE_RSA_WITH_AES_128_CCM_8
  33. 320xc024TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
  34. 330xc028TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
  35. 340x006bTLS_DHE_RSA_WITH_AES_256_CBC_SHA256
  36. 350x006aTLS_DHE_DSS_WITH_AES_256_CBC_SHA256
  37. 360xc073unknown (0xc073)
  38. 370xc077unknown (0xc077)
  39. 380x00c4unknown (0x00c4)
  40. 390x00c3unknown (0x00c3)
  41. 400x006dunknown (0x006d)
  42. 410x00c5unknown (0x00c5)
  43. 420xc023TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
  44. 430xc027TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
  45. 440x0067TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
  46. 450x0040TLS_DHE_DSS_WITH_AES_128_CBC_SHA256
  47. 460xc072unknown (0xc072)
  48. 470xc076unknown (0xc076)
  49. 480x00beunknown (0x00be)
  50. 490x00bdunknown (0x00bd)
  51. 500x006cunknown (0x006c)
  52. 510x00bfunknown (0x00bf)
  53. 520xc00aTLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
  54. 530xc014TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
  55. 540x0039TLS_DHE_RSA_WITH_AES_256_CBC_SHA
  56. 550x0038TLS_DHE_DSS_WITH_AES_256_CBC_SHA
  57. 560x0088unknown (0x0088)
  58. 570x0087unknown (0x0087)
  59. 580xc019unknown (0xc019)
  60. 590x003aunknown (0x003a)
  61. 600x0089unknown (0x0089)
  62. 610xc009TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
  63. 620xc013TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
  64. 630x0033TLS_DHE_RSA_WITH_AES_128_CBC_SHA
  65. 640x0032TLS_DHE_DSS_WITH_AES_128_CBC_SHA
  66. 650x009aunknown (0x009a)
  67. 660x0099unknown (0x0099)
  68. 670x0045unknown (0x0045)
  69. 680x0044unknown (0x0044)
  70. 690xc018unknown (0xc018)
  71. 700x0034unknown (0x0034)
  72. 710x009bunknown (0x009b)
  73. 720x0046unknown (0x0046)
  74. 730x009dTLS_RSA_WITH_AES_256_GCM_SHA384
  75. 740xc09dTLS_RSA_WITH_AES_256_CCM
  76. 750xc051TLS_RSA_WITH_ARIA_256_CBC_SHA384
  77. 760x009cTLS_RSA_WITH_AES_128_GCM_SHA256
  78. 770xc09cTLS_RSA_WITH_AES_128_CCM
  79. 780xc050TLS_RSA_WITH_ARIA_128_CBC_SHA256
  80. 790xc0a1TLS_RSA_WITH_AES_256_CCM_8
  81. 800xc0a0TLS_RSA_WITH_AES_128_CCM_8
  82. 810x003dTLS_RSA_WITH_AES_256_CBC_SHA256
  83. 820x00c0unknown (0x00c0)
  84. 830x003cTLS_RSA_WITH_AES_128_CBC_SHA256
  85. 840x00baunknown (0x00ba)
  86. 850x0035TLS_RSA_WITH_AES_256_CBC_SHA
  87. 860x0084unknown (0x0084)
  88. 870x002fTLS_RSA_WITH_AES_128_CBC_SHA
  89. 880x0096unknown (0x0096)
  90. 890x0041unknown (0x0041)
extensions(13)sorted
  1. 00x0000server_name (SNI)
  2. 10x000asupported_groups
  3. 20x000bec_point_formats
  4. 30x000dsignature_algorithms
  5. 40x0010application_layer_protocol_negotiation (ALPN)
  6. 50x0016encrypt_then_mac
  7. 60x0017extended_master_secret
  8. 70x001bcompress_certificate
  9. 80x002bsupported_versions
  10. 90x002dpsk_key_exchange_modes
  11. 100x0031post_handshake_auth
  12. 110x0033key_share
  13. 120xff01renegotiation_info

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

curves / groups(8)
  1. 00x11ecX25519MLKEM768 PQ
  2. 10x001dx25519
  3. 20x0017secp256r1 (P-256)
  4. 30x001ex448
  5. 40x0018secp384r1 (P-384)
  6. 50x0019secp521r1 (P-521)
  7. 60x0100ffdhe2048
  8. 70x0101ffdhe3072
signature algorithms(29)
  1. 00x0905unknown (0x0905)
  2. 10x0906unknown (0x0906)
  3. 20x0904unknown (0x0904)
  4. 30x0403ecdsa_secp256r1_sha256
  5. 40x0503ecdsa_secp384r1_sha384
  6. 50x0603ecdsa_secp521r1_sha512
  7. 60x0807ed25519
  8. 70x0808ed448
  9. 80x081aunknown (0x081a)
  10. 90x081bunknown (0x081b)
  11. 100x081cunknown (0x081c)
  12. 110x0809rsa_pss_pss_sha256
  13. 120x080arsa_pss_pss_sha384
  14. 130x080brsa_pss_pss_sha512
  15. 140x0804rsa_pss_rsae_sha256
  16. 150x0805rsa_pss_rsae_sha384
  17. 160x0806rsa_pss_rsae_sha512
  18. 170x0401rsa_pkcs1_sha256
  19. 180x0501rsa_pkcs1_sha384
  20. 190x0601rsa_pkcs1_sha512
  21. 200x0303rsa_pkcs1_sha512 (legacy)
  22. 210x0203ecdsa_sha1
  23. 220x0301rsa_pkcs1_sha256 (legacy)
  24. 230x0201rsa_pkcs1_sha1
  25. 240x0302rsa_pkcs1_sha384 (legacy)
  26. 250x0202unknown (0x0202)
  27. 260x0402rsa_pkcs1_sha384
  28. 270x0502ecdsa_secp384r1_sha384
  29. 280x0602ecdsa_secp521r1_sha512

Reach — domains contacted

Top 3 of 3. Share is the fraction of this fingerprint’s observations reaching each name.