CNN SSL certificate status
Valid — 182 days until expiry(cnn.com)
This page shows the CNN SSL certificate as served by cnn.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 2026-09-20 07:45 UTC. CertPost is not affiliated with CNN.
Certificate details
Hostnames this certificate covers
cnn.com, *.cnn.com
Certificate chain as served
Common questions
Is the CNN SSL certificate expired?
At the last check, the certificate cnn.com serves was within its validity period. It expires on 2027-03-21, 182 days from that check.
When does the CNN SSL certificate expire?
The certificate cnn.com is currently serving expires on 2027-03-21 (182 days from the last check). Large services rotate certificates long before that date.
Who issued the CNN SSL certificate?
The certificate was issued by GlobalSign Atlas E46 OV TLS CA 2026 Q3.
How is this checked?
A CertPost probe opens a real TLS connection to cnn.com on port 443 and reads the certificate the server presents, the same way a browser does. The result is cached and refreshed hourly.
CNN rotates certificates without downtime. Your own domains are the ones that expire quietly — watch 3 free, no card.
Monitor your certificatesOr run a one-off check with the free SSL checker.