RPCScan
- networks tracked- RPC URLsRequestStatus
Companion site:ExplorerScan ↗Block explorer directory with per-provider drill-downs and TLS posture per host
Ethereum Mainnet

https://ethereumnodelight.app.runonflux.io

Ethereum Mainnetevmrunonflux.io· ethereumnodelight.appcompare ↔
Posture score
66
Speed score
42
TLS version
TLS 1.3
Cipher
TLS_AES_128_GCM_SHA256
KEX group
classical
PQ class
Classical only
ALPN
h2
Cert expires in
80d
Session resumed
yes
TLS handshake
596ms
Resumption
248ms
TTFB
1.84s
RPC block height
-
TLS handshake
VersionTLS 1.3
CipherTLS_AES_128_GCM_SHA256
KEX groupclassical
ALPNh2
PQ classClassical only
Handshake596ms
Resumed?yes · 248ms
OCSP stapledno
SCTs (CT log)none in TLS ext
PQ strict?no (classical tolerated)
Certificate chain
Subjectrunonflux.io
IssuerSectigo Public Server Authentication CA OV R36
Key typeRSA-2048
Chain length4
SANsrunonflux.io, *.app.runonflux.io, *.app2.runonflux.io +1
Not before2026-07-01
Not after2027-01-15
Days to expiry80d
Chain SHA-25645370781c6d50577…
Modern posture
HSTSno header
HTTP/3 (ALPN hint)no
ECH offeredno
DNSSECzone signed (DNSKEY present)
CAA recordsissue:sectigo.com · issuewild:sectigo.com
Must-staplenot declared
Grades
Posture
D66
Speed
F42
Certificate
100
TLS profile
95
Post-quantum
40
RPC reachability
30
Misconfigurations
  • OCSP stapling not enabledno_ocsp_staple

Endpoint identity

URL
https://ethereumnodelight.app.runonflux.io
Host
Chain ID
1
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
Classical only
Key exchange
-
Cipher
TLS_AES_128_GCM_SHA256
Last seen
2026-10-27T11:03:11.321491099Z
History (30 days)
no history

Chain peer ranking

This URL is fastest right now
no
Fastest p50 latency
1.12s
Latest block height
-

Using this RPC

tabs 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://ethereumnodelight.app.runonflux.io' \
  -H 'content-type: application/json' \
  -d '{"jsonrpc":"2.0","method":"eth_chainId","params":[],"id":1}'
Scan reportschema rpcscan-report · captured 2026-10-27T11:35:00.826Z
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.