https://preseed-testnet-1.roburna.com
Posture score
83
Speed score
53
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
79d
Session resumed
yes
TLS handshake
241ms
Resumption
236ms
TTFB
1.56s
RPC block height
287,426
TLS handshake
VersionTLS 1.3
CipherTLS_AES_128_GCM_SHA256
KEX groupclassical
ALPNhttp/1.1
PQ classClassical only
Handshake241ms
Resumed?yes · 236ms
OCSP stapledno
SCTs presentno
Certificate chain
Subjectpreseed-testnet-1.roburna.com
IssuerYE2
Key typeECDSA-P-256
Chain length4
SANspreseed-testnet-1.roburna.com
Not before2026-09-30
Not after2026-12-29
Days to expiry79d
Chain SHA-256535ae179639f9fb9…
Misconfigurations
- OCSP stapling not enabled
no_ocsp_staple
URL
https://preseed-testnet-1.roburna.com
Chain
Chain ID
VM
Platform type
Sibling RPCs
Probes attempted
-
Successful
-
Success rate
-
Median p50
-
Median p95
-
Latest bucket
-
Class
Classical only
Key exchange
-
Cipher
TLS_AES_128_GCM_SHA256
Last seen
2026-10-10T03:37:44.035760025Z
History (30 days)
no history
This URL is fastest right now
YES
Fastest p50 latency
1.56s
Latest block height
-
Current fastest URL
https://preseed-testnet-1.roburna.comJSON-RPC eth_chainId, which verifies the endpoint is alive and reports the chain ID.
curl -X POST 'https://preseed-testnet-1.roburna.com' \
-H 'content-type: application/json' \
-d '{"jsonrpc":"2.0","method":"eth_chainId","params":[],"id":1}'Scan reportschema rpcscan-report · captured 2026-10-10T07:39:10.521Z
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.