SSL/TLS Certificate Lookup

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

supertext.ch

SSL/TLS Certificate

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SSL/TLS Certificate for supertext.ch

Valid
Issued by (CA)
Let's Encrypt
Subject
supertext.ch
Valid from
Jun 11, 2026
Valid until
Sep 9, 2026 (49 days remaining)
Public key
RSA 2048-bit
Serial
05CAC3D88EBDF8A0D118E1DF7173F53EC9EC
SHA-256 fingerprint
E0:D2:AE:23:7D:2F:CF:AC:D6:D7:4D:29:D9:99:15:03:DE:14:56:DF:59:22:07:C5:50:3C:45:D4:50:E7:1A:0E
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (1)
supertext.ch

Certificate Authority Authorization (CAA)

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