SSL/TLS Certificate Lookup

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

serion.ca

SSL/TLS Certificate

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SSL/TLS Certificate for serion.ca

Valid
Issued by (CA)
Let's Encrypt
Subject
serion.ca
Valid from
Jun 13, 2026
Valid until
Sep 11, 2026 (52 days remaining)
Public key
RSA 2048-bit
Serial
05ADB0D66163F804E3688B19B4382C42B524
SHA-256 fingerprint
A5:52:3C:69:23:01:48:C6:4F:DD:68:CE:03:E5:8A:CD:A9:D5:5F:5B:41:6A:AE:03:EC:64:E5:7D:1C:C9:9A:AE
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (2)
serion.ca, www.serion.ca

Certificate Authority Authorization (CAA)

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