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 phy.com

Valid
Issued by (CA)
Let's Encrypt
Subject
*.phy.com
Valid from
Jun 14, 2026
Valid until
Sep 12, 2026 (52 days remaining)
Public key
EC 256-bit
Serial
05446E5FFB14CDDDDE4B1F22B1D9F4D48333
SHA-256 fingerprint
37:45:35:3F:A3:8B:DB:59:59:07:7F:4D:B3:C1:15:BA:8D:29:27:BB:B5:12:6A:7B:FA:E4:F0:E2:6E:C5:19:06
Chain
YE1 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (2)
*.phy.com, phy.com

Certificate Authority Authorization (CAA)

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