SSL/TLS Certificate Lookup

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

facebook.com

SSL/TLS Certificate

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SSL/TLS Certificate for facebook.com

Expiring soon

Issued by (CA): DigiCert Inc
Subject: *.facebook.com
Valid from: Apr 29, 2026
Valid until: Jul 28, 2026 (7 days remaining)
Public key: EC 256-bit
Serial: 03DB4AD0D1447A77AE0E38B5FBB632F2
SHA-256 fingerprint: A5:FE:31:9B:37:E8:B0:8B:8B:80:57:C2:05:19:7F:62:D2:73:B7:78:94:B8:72:2C:9E:D7:6B:B8:CE:52:BD:B8
Chain: DigiCert Global G2 TLS RSA SHA256 2020 CA1 → DigiCert Global Root G2

Subject Alternative Names (11)

*.facebook.com, *.facebook.net, *.fbcdn.net, *.fbsbx.com, *.m.facebook.com, *.messenger.com, *.xx.fbcdn.net, *.xy.fbcdn.net, *.xz.fbcdn.net, facebook.com, messenger.com

Certificate Authority Authorization (CAA)

The serving CA (DigiCert Inc) is authorized by this domain's CAA records (digicert.com).

We've observed 1 previous certificate for this host. This certificate has been served since Jul 21, 2026.