SSL/TLS Certificate Lookup

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

syna.site

SSL/TLS Certificate

WhoisRDAPDNS RecordsCertificateUptimeDiagnosticsHistoryHide Contact Info

SSL/TLS Certificate for syna.site

Valid
Issued by (CA)
Let's Encrypt
Subject
syna.site
Valid from
May 26, 2026
Valid until
Aug 24, 2026 (34 days remaining)
Public key
RSA 2048-bit
Serial
055260CCA952366B86DA6590E6368CBB8040
SHA-256 fingerprint
4B:70:AD:F9:7D:12:C0:64:2E:97:86:E8:24:7D:42:2A:4A:79:A3:9C:C7:95:1A:FA:98:C8:2D:86:39:3E:FF:4A
Chain
R12 → ISRG Root X1
Subject Alternative Names (1)
syna.site

Certificate Authority Authorization (CAA)

The serving CA (Let's Encrypt) is authorized by this domain's CAA records (letsencrypt.org).