Dropbox SSL certificate status

Valid — 53 days until expiry(dropbox.com)

This page shows the Dropbox SSL certificate as served by dropbox.com, read from a live TLS handshake by an independent CertPost probe and rechecked hourly: expiry, issuer, hostname coverage, the full chain, and the negotiated protocol.

Last checked 2026-08-22 23:36 UTC. CertPost is not affiliated with Dropbox.

Certificate details

Subject*.app.dropbox.com
IssuerDigiCert Global G3 TLS ECC SHA384 2020 CA1
Valid from2026-08-19
Expires2026-10-14
Days remaining53
Chain validyes
Hostname matchyes
Negotiated protocolTLSv1.3
TLS versions acceptedTLSv1.2, TLSv1.3

Hostnames this certificate covers

*.app.dropbox.com, *.dropbox.com, dropbox.com

Certificate chain as served

*.app.dropbox.comissued by DigiCert Global G3 TLS ECC SHA384 2020 CA1 · expires 2026-10-14
DigiCert Global G3 TLS ECC SHA384 2020 CA1issued by DigiCert Global Root G3 · expires 2031-04-13
DigiCert Global Root G3self-signed (root) · expires 2038-01-15

Common questions

Is the Dropbox SSL certificate expired?

At the last check, the certificate dropbox.com serves was within its validity period. It expires on 2026-10-14, 53 days from that check.

When does the Dropbox SSL certificate expire?

The certificate dropbox.com is currently serving expires on 2026-10-14 (53 days from the last check). Large services rotate certificates long before that date.

Who issued the Dropbox SSL certificate?

The certificate was issued by DigiCert Global G3 TLS ECC SHA384 2020 CA1.

How is this checked?

A CertPost probe opens a real TLS connection to dropbox.com on port 443 and reads the certificate the server presents, the same way a browser does. The result is cached and refreshed hourly.

Dropbox rotates certificates without downtime. Your own domains are the ones that expire quietly — watch 3 free, no card.

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