SSL/TLS Certificate Lookup

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

lsa.ac.uk

SSL/TLS Certificate

WhoisRDAPDNS RecordsCertificateUptimeDiagnosticsHistoryHide Contact Info

SSL/TLS Certificate for lsa.ac.uk

Valid
Issued by (CA)
Let's Encrypt
Subject
lsa.ac.uk
Valid from
Jun 6, 2026
Valid until
Sep 4, 2026 (45 days remaining)
Public key
RSA 2048-bit
Serial
06927C110578D5D44971E235AC500F95BC6C
SHA-256 fingerprint
B7:6D:21:05:64:0F:1D:E7:A5:5A:8B:C4:68:D3:09:78:70:78:A3:07:43:85:2A:A8:C3:F6:10:7B:65:F4:5C:27
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (1)
lsa.ac.uk

Certificate Authority Authorization (CAA)

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