SSL/TLS Certificate Lookup

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

collectum.se

SSL/TLS Certificate

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SSL/TLS Certificate for collectum.se

Valid
Issued by (CA)
Let's Encrypt
Subject
collectum.se
Valid from
Jun 1, 2026
Valid until
Aug 30, 2026 (39 days remaining)
Public key
RSA 2048-bit
Serial
065FA4306C810BEE570D75964A9B56394969
SHA-256 fingerprint
B0:30:2D:30:F9:55:8B:11:6D:6F:F2:A8:BC:0D:8A:61:8B:BB:3E:B5:E8:87:EB:3F:F5:32:53:FA:84:1C:FD:FF
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (1)
collectum.se

Certificate Authority Authorization (CAA)

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