Fastly SSL certificate status
Expiring soon — 24 days left(fastly.com)
This page shows the Fastly SSL certificate as served by fastly.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 07:46 UTC. CertPost is not affiliated with Fastly.
Certificate details
Hostnames this certificate covers
developer.fastly.com, fastly.com, www.fastly.com
Certificate chain as served
Common questions
Is the Fastly SSL certificate expired?
At the last check, the certificate fastly.com serves was within its validity period. It expires on 2026-10-14, 24 days from that check.
When does the Fastly SSL certificate expire?
The certificate fastly.com is currently serving expires on 2026-10-14 (24 days from the last check). Large services rotate certificates long before that date.
Who issued the Fastly SSL certificate?
The certificate was issued by Certainly Intermediate R1.
How is this checked?
A CertPost probe opens a real TLS connection to fastly.com on port 443 and reads the certificate the server presents, the same way a browser does. The result is cached and refreshed hourly.
Fastly 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.