https://mainnet.zircuit.com
Posture score
96
Speed score
99
TLS version
TLS 1.3
Cipher
TLS_AES_128_GCM_SHA256
KEX group
X25519MLKEM768
PQ class
PQ hybrid
ALPN
h2
Cert expires in
82d
Session resumed
yes
TLS handshake
53ms
Resumption
19ms
TTFB
244ms
RPC block height
35,837,711
TLS handshake
VersionTLS 1.3
CipherTLS_AES_128_GCM_SHA256
KEX groupX25519MLKEM768
ALPNh2
PQ classPQ hybrid
Handshake53ms
Resumed?yes · 19ms
OCSP stapledno
SCTs presentyes
Certificate chain
Subjectmainnet.zircuit.com
IssuerYE2
Key typeECDSA-P-256
Chain length4
SANsmainnet.zircuit.com
Not before2026-10-02
Not after2026-12-31
Days to expiry82d
Chain SHA-256b792c1d2727d9bf6…
Misconfigurations
- OCSP stapling not enabled
no_ocsp_staple
Probes attempted
-
Successful
-
Success rate
-
Median p50
-
Median p95
-
Latest bucket
-
Class
PQ hybrid
Key exchange
X25519MLKEM768
Cipher
TLS_AES_128_GCM_SHA256
Last seen
2026-10-10T05:53:57.669470633Z
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.zircuit.com' \
-H 'content-type: application/json' \
-d '{"jsonrpc":"2.0","method":"eth_chainId","params":[],"id":1}'Scan reportschema rpcscan-report · captured 2026-10-10T05:57:24.739Z
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.