Zoom SSL certificate status

Valid — 128 days until expiry(zoom.us)

This page shows the Zoom SSL certificate as served by zoom.us, 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 2026-08-23 00:56 UTC. CertPost is not affiliated with Zoom.

Certificate details

Subject*.zoom.us
IssuerDigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from2025-12-29
Expires2026-12-29
Days remaining128
Chain validyes
Hostname matchyes
Negotiated protocolTLSv1.3
TLS versions acceptedTLSv1.2, TLSv1.3

Hostnames this certificate covers

*.zoom.us, zoom.us

Certificate chain as served

*.zoom.usissued by DigiCert Global G2 TLS RSA SHA256 2020 CA1 · expires 2026-12-29
DigiCert Global G2 TLS RSA SHA256 2020 CA1issued by DigiCert Global Root G2 · expires 2030-09-23
DigiCert Global Root G2issued by DigiCert Global Root CA · expires 2031-11-09

Common questions

Is the Zoom SSL certificate expired?

At the last check, the certificate zoom.us serves was within its validity period. It expires on 2026-12-29, 128 days from that check.

When does the Zoom SSL certificate expire?

The certificate zoom.us is currently serving expires on 2026-12-29 (128 days from the last check). Large services rotate certificates long before that date.

Who issued the Zoom SSL certificate?

The certificate was issued by DigiCert Global G2 TLS RSA SHA256 2020 CA1.

How is this checked?

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

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

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