RPCScan
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QRDX Mainnet

https://rpc.qrdx.org

QRDX Mainnetevmqrdx.org· rpccompare ↔● fastest right now● PQ hybrid
Posture score
79
Speed score
50
TLS version
TLS 1.3
Cipher
TLS_AES_128_GCM_SHA256
KEX group
X25519MLKEM768
PQ class
PQ hybrid
ALPN
h2
Cert expires in
89d
Session resumed
no
TLS handshake
237ms
Resumption
268ms
TTFB
1.84s
RPC block height
-
TLS handshake
VersionTLS 1.3
CipherTLS_AES_128_GCM_SHA256
KEX groupX25519MLKEM768
ALPNh2
PQ classPQ hybrid
Handshake237ms
Resumed?no
OCSP stapledno
SCTs (CT log)none in TLS ext
PQ strict?no (classical tolerated)
Certificate chain
Subjectqrdx.org
IssuerWE1
Key typeECDSA-P-256
Chain length3
SANsqrdx.org, rpc.qrdx.org, *.rpc.qrdx.org
Not before2026-10-14
Not after2027-01-12
Days to expiry89d
Chain SHA-2563cfe0a2bfedd7bca…
Modern posture
HSTSno header
HTTP/3 (ALPN hint)advertised in HTTPS record
ECH offeredyes · encrypted ClientHello published
DNSSECunsigned
CAA recordsnone published
Must-staplenot declared
Grades
Posture
C79
Speed
F50
Certificate
100
TLS profile
97
Post-quantum
90
RPC reachability
30
Misconfigurations
  • OCSP stapling not enabledno_ocsp_staple
Endpoint identity
URL
https://rpc.qrdx.org
Host
Chain ID
762
VM
evm
Platform type
chain
Live probe (last 24 h)
Probes attempted
-
Successful
-
Success rate
-
Median p50
-
Median p95
-
Latest bucket
-
TLS posture (post-quantum)full history →
Class
PQ hybrid
Key exchange
X25519MLKEM768
Cipher
TLS_AES_128_GCM_SHA256
Last seen
2026-10-15T20:36:28.1484007Z
History (30 days)
no history
Chain peer ranking
This URL is fastest right now
YES
Fastest p50 latency
1.84s
Latest block height
-
Current fastest URL
https://rpc.qrdx.org
Using this RPCtabs auto-fill the URL + chain ID
JSON-RPC eth_chainId, which verifies the endpoint is alive and reports the chain ID.
curl -X POST 'https://rpc.qrdx.org' \
  -H 'content-type: application/json' \
  -d '{"jsonrpc":"2.0","method":"eth_chainId","params":[],"id":1}'
Scan reportschema rpcscan-report · captured 2026-10-15T21:53:09.187Z
SHA-256 of canonical content
computed in your browser
computing…

The hash covers every field above the JSON serialization with sorted keys. Re-running this computation against the downloaded artifact must produce the same hash; that's how RPCScan's future on-chain proofs (rpcscanchain) will let anyone verify a published snapshot wasn't tampered with.