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unrecognised fingerprint

t12d990700_faffc54d2b3b_63157f74ca7a

Unclassified

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

TLS 1.2no ALPN2026-07-19 → 2026-07-23
JA4
JA4_r
JA3
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 — only 5 observation(s) — too few to tell a permuting client from a coincidence.
reach
0.722 roams across 2 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

5
observations
2
domains reached
2026-07-19
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)
—
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(104)
  1. 00xcca8TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305
  2. 10xcca9TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305
  3. 20xccaaTLS_DHE_RSA_WITH_CHACHA20_POLY1305
  4. 30xc02cTLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
  5. 40xc030TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
  6. 50x009fTLS_DHE_RSA_WITH_AES_256_GCM_SHA384
  7. 60xc0adTLS_ECDHE_ECDSA_WITH_AES_256_CCM
  8. 70xc09fTLS_DHE_RSA_WITH_AES_256_CCM
  9. 80xc024TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
  10. 90xc028TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
  11. 100x006bTLS_DHE_RSA_WITH_AES_256_CBC_SHA256
  12. 110xc00aTLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
  13. 120xc014TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
  14. 130x0039TLS_DHE_RSA_WITH_AES_256_CBC_SHA
  15. 140xc0afTLS_ECDHE_ECDSA_WITH_AES_256_CCM_8
  16. 150xc0a3TLS_DHE_RSA_WITH_AES_256_CCM_8
  17. 160xc087unknown (0xc087)
  18. 170xc08bunknown (0xc08b)
  19. 180xc07dunknown (0xc07d)
  20. 190xc073unknown (0xc073)
  21. 200xc077unknown (0xc077)
  22. 210x00c4unknown (0x00c4)
  23. 220x0088unknown (0x0088)
  24. 230xc05dTLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384
  25. 240xc061TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384
  26. 250xc053TLS_RSA_WITH_ARIA_256_GCM_SHA384
  27. 260xc049unknown (0xc049)
  28. 270xc04dunknown (0xc04d)
  29. 280xc045unknown (0xc045)
  30. 290xc02bTLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
  31. 300xc02fTLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
  32. 310x009eTLS_DHE_RSA_WITH_AES_128_GCM_SHA256
  33. 320xc0acTLS_ECDHE_ECDSA_WITH_AES_128_CCM
  34. 330xc09eTLS_DHE_RSA_WITH_AES_128_CCM
  35. 340xc023TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
  36. 350xc027TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
  37. 360x0067TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
  38. 370xc009TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
  39. 380xc013TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
  40. 390x0033TLS_DHE_RSA_WITH_AES_128_CBC_SHA
  41. 400xc0aeTLS_ECDHE_ECDSA_WITH_AES_128_CCM_8
  42. 410xc0a2TLS_DHE_RSA_WITH_AES_128_CCM_8
  43. 420xc086unknown (0xc086)
  44. 430xc08aunknown (0xc08a)
  45. 440xc07cunknown (0xc07c)
  46. 450xc072unknown (0xc072)
  47. 460xc076unknown (0xc076)
  48. 470x00beunknown (0x00be)
  49. 480x0045unknown (0x0045)
  50. 490xc05cTLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256
  51. 500xc060TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256
  52. 510xc052TLS_RSA_WITH_ARIA_128_GCM_SHA256
  53. 520xc048unknown (0xc048)
  54. 530xc04cunknown (0xc04c)
  55. 540xc044unknown (0xc044)
  56. 550x009dTLS_RSA_WITH_AES_256_GCM_SHA384
  57. 560xc09dTLS_RSA_WITH_AES_256_CCM
  58. 570x003dTLS_RSA_WITH_AES_256_CBC_SHA256
  59. 580x0035TLS_RSA_WITH_AES_256_CBC_SHA
  60. 590xc032unknown (0xc032)
  61. 600xc02aunknown (0xc02a)
  62. 610xc00funknown (0xc00f)
  63. 620xc02eunknown (0xc02e)
  64. 630xc026unknown (0xc026)
  65. 640xc005unknown (0xc005)
  66. 650xc0a1TLS_RSA_WITH_AES_256_CCM_8
  67. 660xc07bunknown (0xc07b)
  68. 670x00c0unknown (0x00c0)
  69. 680x0084unknown (0x0084)
  70. 690xc08dunknown (0xc08d)
  71. 700xc079unknown (0xc079)
  72. 710xc089unknown (0xc089)
  73. 720xc075unknown (0xc075)
  74. 730xc05funknown (0xc05f)
  75. 740xc063unknown (0xc063)
  76. 750xc051TLS_RSA_WITH_ARIA_256_CBC_SHA384
  77. 760xc04bunknown (0xc04b)
  78. 770xc04funknown (0xc04f)
  79. 780xc03dunknown (0xc03d)
  80. 790x009cTLS_RSA_WITH_AES_128_GCM_SHA256
  81. 800xc09cTLS_RSA_WITH_AES_128_CCM
  82. 810x003cTLS_RSA_WITH_AES_128_CBC_SHA256
  83. 820x002fTLS_RSA_WITH_AES_128_CBC_SHA
  84. 830xc031unknown (0xc031)
  85. 840xc029unknown (0xc029)
  86. 850xc00eunknown (0xc00e)
  87. 860xc02dunknown (0xc02d)
  88. 870xc025unknown (0xc025)
  89. 880xc004unknown (0xc004)
  90. 890xc0a0TLS_RSA_WITH_AES_128_CCM_8
  91. 900xc07aunknown (0xc07a)
  92. 910x00baunknown (0x00ba)
  93. 920x0041unknown (0x0041)
  94. 930xc08cunknown (0xc08c)
  95. 940xc078unknown (0xc078)
  96. 950xc088unknown (0xc088)
  97. 960xc074unknown (0xc074)
  98. 970xc05eunknown (0xc05e)
  99. 980xc062unknown (0xc062)
  100. 990xc050TLS_RSA_WITH_ARIA_128_CBC_SHA256
  101. 1000xc04aunknown (0xc04a)
  102. 1010xc04eunknown (0xc04e)
  103. 1020xc03cunknown (0xc03c)
  104. 1030x00ffTLS_EMPTY_RENEGOTIATION_INFO
extensions(7)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

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

curves / groups(8)
  1. 00x001dx25519
  2. 10x0017secp256r1 (P-256)
  3. 20x0018secp384r1 (P-384)
  4. 30x001ex448
  5. 40x0019secp521r1 (P-521)
  6. 50x001aunknown (0x001a)
  7. 60x001bunknown (0x001b)
  8. 70x001cunknown (0x001c)
signature algorithms(6)
  1. 00x0603ecdsa_secp521r1_sha512
  2. 10x0601rsa_pkcs1_sha512
  3. 20x0503ecdsa_secp384r1_sha384
  4. 30x0501rsa_pkcs1_sha384
  5. 40x0403ecdsa_secp256r1_sha256
  6. 50x0401rsa_pkcs1_sha256

Reach — domains contacted

Top 2 of 2. Share is the fraction of this fingerprint’s observations reaching each name.