wss://rpc.syndr.com/ws
Posture score
78
Speed score
94
TLS version
TLS 1.3
Cipher
TLS_AES_128_GCM_SHA256
KEX group
X25519MLKEM768
PQ class
PQ hybrid
ALPN
h2
Cert expires in
46d
Session resumed
yes
TLS handshake
15ms
Resumption
29ms
TTFB
388ms
RPC block height
-
TLS handshake
VersionTLS 1.3
CipherTLS_AES_128_GCM_SHA256
KEX groupX25519MLKEM768
ALPNh2
PQ classPQ hybrid
Handshake15ms
Resumed?yes · 29ms
OCSP stapledno
SCTs presentno
Certificate chain
Subjectrpc.syndr.com
IssuerWE1
Key typeECDSA-P-256
Chain length3
SANsrpc.syndr.com
Not before2026-08-25
Not after2026-11-23
Days to expiry46d
Chain SHA-2564aa570c3ed258fc3…
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
2026-10-07T23:57:50.100348868Z
History (30 days)
no history
This URL is fastest right now
no
Fastest p50 latency
49ms
Latest block height
-
Current fastest URL
https://404.rpc.thirdweb.comJSON-RPC eth_chainId, which verifies the endpoint is alive and reports the chain ID.
curl -X POST 'wss://rpc.syndr.com/ws' \
-H 'content-type: application/json' \
-d '{"jsonrpc":"2.0","method":"eth_chainId","params":[],"id":1}'Scan reportschema rpcscan-report · captured 2026-10-10T07:48:13.172Z
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.