SSL/TLS Certificate Lookup

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

1chair.com

SSL/TLS Certificate

WhoisRDAPDNS RecordsCertificateUptimeDiagnosticsHistoryHide Contact Info

SSL/TLS Certificate for 1chair.com

Untrusted chain
Issued by (CA)
Let's Encrypt
Subject
1chair.com
Valid from
Jun 20, 2026
Valid until
Sep 18, 2026 (58 days remaining)
Public key
RSA 2048-bit
Serial
05215320F6D89410DCCD7D76E0F89A446CC2
SHA-256 fingerprint
6D:FA:08:30:36:93:B5:7A:AA:26:B3:78:2B:40:79:FF:D6:14:45:89:B0:E2:C2:1D:7A:22:9A:65:19:08:50:5D
Chain
—
Subject Alternative Names (2)
1chair.com, www.1chair.com

Certificate Authority Authorization (CAA)

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