2 chain listings served by this host. Operated by Japanopenchain.
TLS + post-quantum posture
ProviderJapanopenchain, see every host →
Posture gradeC (60/100)
PQ classClassical only
TLS group-
CipherTLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
ALPNh2
Cert subjectexplorer.japanopenchain.org
Cert issuerAmazon RSA 2048 M04
Handshake411 ms
Last probed2026-11-09T20:16:05.370494277Z