SSL/TLS Certificate Lookup

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

SSL/TLS Certificate for thingsthatdontexist.com

Valid
Issued by (CA)
Let's Encrypt
Subject
thingsthatdontexist.com
Valid from
Jun 28, 2026
Valid until
Sep 26, 2026 (67 days remaining)
Public key
EC 256-bit
Serial
0538CE9687CC6CF9F5968D41B54DA9F3D081
SHA-256 fingerprint
C8:BD:06:F7:25:2F:D5:FE:91:34:15:C8:E7:AC:7A:F9:8B:DC:63:8E:E8:F2:93:E4:F6:1C:F8:76:26:56:E1:15
Chain
YE1 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (2)
*.thingsthatdontexist.com, thingsthatdontexist.com

Certificate Authority Authorization (CAA)

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