RPCScan
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Companion site:ExplorerScan ↗Block explorer directory with per-provider drill-downs and TLS posture per host

https://mainnet.lumio.io

SuperLumioevmlumio.io· mainnetcompare ↔● PQ hybrid
Posture score
78
Speed score
-
TLS version
TLS 1.3
Cipher
TLS_AES_128_GCM_SHA256
KEX group
X25519MLKEM768
PQ class
PQ hybrid
ALPN
h2
Cert expires in
80d
Session resumed
no
TLS handshake
61ms
Resumption
-
TTFB
-
RPC block height
-
Prober warning: phase_b: Post "https://mainnet.lumio.io": http2: timeout awaiting response headers
TLS handshake
VersionTLS 1.3
CipherTLS_AES_128_GCM_SHA256
KEX groupX25519MLKEM768
ALPNh2
PQ classPQ hybrid
Handshake61ms
Resumed?no
OCSP stapledno
SCTs presentyes
Certificate chain
Subjectmainnet.lumio.io
IssuerYE2
Key typeECDSA-P-256
Chain length4
SANsmainnet.lumio.io
Not before2026-09-30
Not after2026-12-29
Days to expiry80d
Chain SHA-256ee194a0b4caead67…
Misconfigurations
  • OCSP stapling not enabled no_ocsp_staple
Grades
Posture
C78
Speed
F0
Certificate
100
TLS profile
95
Post-quantum
90
RPC reachability
30
Endpoint identity
URL
https://mainnet.lumio.io
Host
Chain ID
8866
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
2026-10-10T06:28:50.689791673Z
History (30 days)
no history
Chain peer ranking
This URL is fastest right now
no
Fastest p50 latency
153ms
Latest block height
-
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://mainnet.lumio.io' \
  -H 'content-type: application/json' \
  -d '{"jsonrpc":"2.0","method":"eth_chainId","params":[],"id":1}'
Scan reportschema rpcscan-report · captured 2026-10-10T06:41:48.873Z
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.