https://mainnet-rpc3.iopn.tech
Posture score
83
Speed score
90
TLS version
TLS 1.3
Cipher
TLS_AES_128_GCM_SHA256
KEX group
classical
PQ class
Classical only
ALPN
http/1.1
Cert expires in
67d
Session resumed
yes
TLS handshake
63ms
Resumption
105ms
TTFB
543ms
RPC block height
14,169,619
TLS handshake
VersionTLS 1.3
CipherTLS_AES_128_GCM_SHA256
KEX groupclassical
ALPNhttp/1.1
PQ classClassical only
Handshake63ms
Resumed?yes · 105ms
OCSP stapledno
SCTs presentno
Certificate chain
Subjectmainnet-rpc3.iopn.tech
IssuerYE1
Key typeECDSA-P-256
Chain length4
SANsmainnet-rpc3.iopn.tech
Not before2026-09-15
Not after2026-12-14
Days to expiry67d
Chain SHA-256d930ddeede2aa088…
Misconfigurations
- OCSP stapling not enabled
no_ocsp_staple
Probes attempted
-
Successful
-
Success rate
-
Median p50
-
Median p95
-
Latest bucket
-
Class
Classical only
Key exchange
-
Cipher
TLS_AES_128_GCM_SHA256
Last seen
2026-10-07T23:57:44.141449987Z
History (30 days)
no history
This URL is fastest right now
-
Fastest p50 latency
-
Latest block height
-
Current fastest URL
-JSON-RPC eth_chainId, which verifies the endpoint is alive and reports the chain ID.
curl -X POST 'https://mainnet-rpc3.iopn.tech' \
-H 'content-type: application/json' \
-d '{"jsonrpc":"2.0","method":"eth_chainId","params":[],"id":1}'Scan reportschema rpcscan-report · captured 2026-10-10T05:48:09.415Z
SHA-256 of canonical content
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.