SSL/TLS Certificate Lookup

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

donotuse.com

SSL/TLS Certificate

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SSL/TLS Certificate for donotuse.com

Valid
Issued by (CA)
Let's Encrypt
Subject
*.donotuse.com
Valid from
Jun 13, 2026
Valid until
Sep 11, 2026 (52 days remaining)
Public key
RSA 2048-bit
Serial
06CA0A64BF11A2DC0BA7D2DD9A481E303B83
SHA-256 fingerprint
C9:09:F6:24:EA:6C:41:E5:B1:74:FE:0D:FE:1C:5C:14:36:3E:1F:B1:83:C4:BC:AC:2C:3C:41:CA:35:0A:41:D4
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (2)
*.donotuse.com, donotuse.com

Certificate Authority Authorization (CAA)

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