SSL/TLS Certificate Lookup

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

ptadmin.ca

SSL/TLS Certificate

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SSL/TLS Certificate for ptadmin.ca

Valid
Issued by (CA)
Let's Encrypt
Subject
ptadmin.ca
Valid from
Jul 10, 2026
Valid until
Oct 8, 2026 (79 days remaining)
Public key
RSA 2048-bit
Serial
0585706A41C260749F6B0406889492D66F72
SHA-256 fingerprint
72:5B:9A:2C:14:DC:93:AD:1D:F9:11:2B:37:5D:F4:05:96:DD:5E:E6:93:AC:8D:80:CB:AA:11:2D:9F:57:D8:F8
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (2)
ptadmin.ca, www.ptadmin.ca

Certificate Authority Authorization (CAA)

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