SSL/TLS Certificate Lookup

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

leash.bio

SSL/TLS Certificate

WhoisRDAPDNS RecordsCertificateUptimeDiagnosticsHistoryHide Contact Info

SSL/TLS Certificate for leash.bio

Valid
Issued by (CA)
Let's Encrypt
Subject
leash.bio
Valid from
Jul 9, 2026
Valid until
Oct 7, 2026 (77 days remaining)
Public key
RSA 2048-bit
Serial
05B5B177C6485ACA3E4B6B9E13EED3E6A2CE
SHA-256 fingerprint
A6:39:7C:89:A5:0D:24:2D:92:2F:EE:B3:C9:8B:98:C2:9C:02:2E:08:6F:FE:CA:6B:1E:01:BA:A0:06:2E:76:9C
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (1)
leash.bio

Certificate Authority Authorization (CAA)

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