SSL/TLS Certificate Lookup

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

SSL/TLS Certificate for squarebrothers.com

Valid
Issued by (CA)
Sectigo Limited
Subject
*.squarebrothers.com
Valid from
Feb 6, 2026
Valid until
Mar 8, 2027 (230 days remaining)
Public key
RSA 4096-bit
Serial
D46FAD2E6DCB522FBED9522056DF3DF3
SHA-256 fingerprint
65:A8:DC:98:47:DB:21:02:6B:A5:FE:AF:37:C2:C1:DD:DB:02:38:86:A3:44:BD:12:68:F1:E8:D4:54:12:61:E4
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46
Subject Alternative Names (2)
*.squarebrothers.com, squarebrothers.com

Certificate Authority Authorization (CAA)

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