SSL/TLS Certificate Lookup

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

castnet.ca

SSL/TLS Certificate

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SSL/TLS Certificate for castnet.ca

Valid
Issued by (CA)
Let's Encrypt
Subject
*.torontocas.ca
Valid from
Jun 7, 2026
Valid until
Sep 5, 2026 (45 days remaining)
Public key
RSA 2048-bit
Serial
06FDFCD02AEBA336BB4B461FCC96D7838AE7
SHA-256 fingerprint
84:BC:68:56:09:FA:2D:D3:60:83:B9:A9:C8:5A:8F:C2:58:DA:0D:D4:71:87:A0:6E:E2:8E:49:60:D3:E5:29:57
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (7)
*.castnet.ca, *.childprotection.ca, *.torontocas.ca, castnet.ca, childprotection.ca, www.castnetca.torontocas.ca, www.childprotectionca.torontocas.ca

Certificate Authority Authorization (CAA)

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