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unrecognised fingerprint

t13d0311h2_55b375c5d22e_7108773b1a0c

Unclassified

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

TLS 1.3ALPN h22026-07-19 → 2026-07-22
JA4
JA4_r
JA3
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 — only 4 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

4
observations
1
domains reached
2026-07-19
first seen
2026-07-22
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
EC point formats
—
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(3)
  1. 00x1302TLS_AES_256_GCM_SHA384
  2. 10x1303TLS_CHACHA20_POLY1305_SHA256
  3. 20x1301TLS_AES_128_GCM_SHA256
extensions(11)sorted
  1. 00x0000server_name (SNI)
  2. 10x0005status_request (OCSP)
  3. 20x000asupported_groups
  4. 30x000dsignature_algorithms
  5. 40x0010application_layer_protocol_negotiation (ALPN)
  6. 50x0012signed_certificate_timestamp
  7. 60x0014unknown (0x0014)
  8. 70x001bcompress_certificate
  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(5)
  1. 00x11ecX25519MLKEM768 PQ
  2. 10x001dx25519
  3. 20x0017secp256r1 (P-256)
  4. 30x0018secp384r1 (P-384)
  5. 40x0019secp521r1 (P-521)
signature algorithms(10)
  1. 00x0403ecdsa_secp256r1_sha256
  2. 10x0804rsa_pss_rsae_sha256
  3. 20x0401rsa_pkcs1_sha256
  4. 30x0503ecdsa_secp384r1_sha384
  5. 40x0805rsa_pss_rsae_sha384
  6. 50x0805rsa_pss_rsae_sha384
  7. 60x0501rsa_pkcs1_sha384
  8. 70x0806rsa_pss_rsae_sha512
  9. 80x0601rsa_pkcs1_sha512
  10. 90x0201rsa_pkcs1_sha1

Reach — domains contacted

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