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unrecognised fingerprint

t13d1317h2_67b57ff8024f_b0da82dd1658

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/1.12026-07-20 → 2026-07-23
JA4
JA4_r
JA3
no single JA3 is stored for this fingerprint.
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 · 2 JA3 — only 2 observation(s) — too few to tell a permuting client from a coincidence.
reach
1.000 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

2
observations
2
domains reached
2026-07-20
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
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(13)
  1. 00x1301TLS_AES_128_GCM_SHA256
  2. 10x1302TLS_AES_256_GCM_SHA384
  3. 20x1303TLS_CHACHA20_POLY1305_SHA256
  4. 30xc02bTLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
  5. 40xc02fTLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
  6. 50xc02cTLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
  7. 60xc030TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
  8. 70xc009TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
  9. 80xc013TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
  10. 90xc00aTLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
  11. 100xc014TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
  12. 110x009cTLS_RSA_WITH_AES_128_GCM_SHA256
  13. 120x009dTLS_RSA_WITH_AES_256_GCM_SHA384
extensions(17)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. 60x0012signed_certificate_timestamp
  8. 70x0017extended_master_secret
  9. 80x001bcompress_certificate
  10. 90x0023session_ticket
  11. 100x0029unknown (0x0029)
  12. 110x002bsupported_versions
  13. 120x002dpsk_key_exchange_modes
  14. 130x0033key_share
  15. 140x4469unknown (0x4469)
  16. 150xfe0dencrypted_client_hello
  17. 160xff01renegotiation_info

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

curves / groups(3)
  1. 00x001dx25519
  2. 10x0017secp256r1 (P-256)
  3. 20x0018secp384r1 (P-384)
signature algorithms(8)
  1. 00x0403ecdsa_secp256r1_sha256
  2. 10x0804rsa_pss_rsae_sha256
  3. 20x0401rsa_pkcs1_sha256
  4. 30x0503ecdsa_secp384r1_sha384
  5. 40x0805rsa_pss_rsae_sha384
  6. 50x0501rsa_pkcs1_sha384
  7. 60x0806rsa_pss_rsae_sha512
  8. 70x0601rsa_pkcs1_sha512

JA3 variants

2 distinct JA3 hashes collapse into this one JA4.

#JA3JA3_rawobsshare
0771,4865-4866-4867-491…29-23-24,0150%
1771,4865-4866-4867-491…29-23-24,0150%

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