SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

prototypo.gr

SSL/TLS Certificate

WhoisRDAPDNS RecordsCertificateUptimeDiagnosticsHistoryHide Contact Info

SSL/TLS Certificate for prototypo.gr

Valid
Issued by (CA)
Let's Encrypt
Subject
prototypo.gr
Valid from
Jul 6, 2026
Valid until
Oct 4, 2026 (75 days remaining)
Public key
RSA 2048-bit
Serial
055EF13199650786586337ADEBEFE39BACE0
SHA-256 fingerprint
C0:A6:86:E2:64:53:E1:F3:D0:E3:F1:A8:A7:36:BF:88:2F:BC:3A:17:26:B5:BC:86:2B:12:0B:98:22:FD:26:C8
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (3)
prototypo.gr, webmail.prototypo.gr, www.prototypo.gr

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.