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unrecognised fingerprint

t13d1011h2_61a7ad8aa9b6_f9531d972513

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/1.12026-07-19 → 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 · 3 JA3 — only 3 observation(s) — too few to tell a permuting client from a coincidence.
reach
1.000 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

3
observations
3
domains reached
2026-07-19
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)
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(10)
  1. 00x1302TLS_AES_256_GCM_SHA384
  2. 10x1301TLS_AES_128_GCM_SHA256
  3. 20x1303TLS_CHACHA20_POLY1305_SHA256
  4. 30xc02cTLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
  5. 40xc02bTLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
  6. 50xcca9TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305
  7. 60xc030TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
  8. 70xc02fTLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
  9. 80xcca8TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305
  10. 90x00ffTLS_EMPTY_RENEGOTIATION_INFO
extensions(11)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. 60x0017extended_master_secret
  8. 70x0023session_ticket
  9. 80x002bsupported_versions
  10. 90x002dpsk_key_exchange_modes
  11. 100x0033key_share

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

curves / groups(4)
  1. 00x001dx25519
  2. 10x0017secp256r1 (P-256)
  3. 20x0018secp384r1 (P-384)
  4. 30x11ecX25519MLKEM768 PQ
signature algorithms(10)
  1. 00x0503ecdsa_secp384r1_sha384
  2. 10x0403ecdsa_secp256r1_sha256
  3. 20x0603ecdsa_secp521r1_sha512
  4. 30x0807ed25519
  5. 40x0806rsa_pss_rsae_sha512
  6. 50x0805rsa_pss_rsae_sha384
  7. 60x0804rsa_pss_rsae_sha256
  8. 70x0601rsa_pkcs1_sha512
  9. 80x0501rsa_pkcs1_sha384
  10. 90x0401rsa_pkcs1_sha256

JA3 variants

3 distinct JA3 hashes collapse into this one JA4.

#JA3JA3_rawobsshare
0771,4866-4865-4867-491…-24-4588,0133%
1771,4866-4865-4867-491…-24-4588,0133%
2771,4866-4865-4867-491…-24-4588,0133%

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