USA.gov SSL certificate status

Expiring soon — 28 days left(usa.gov)

This page shows the USA.gov SSL certificate as served by usa.gov, 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 07:49 UTC. CertPost is not affiliated with USA.gov.

Certificate details

Subjectfirstgov.gov
IssuerYR1
Valid from2026-07-20
Expires2026-10-18
Days remaining28
Chain validyes
Hostname matchyes
Negotiated protocolTLSv1.3
TLS versions acceptedTLSv1.2, TLSv1.3

Hostnames this certificate covers

firstgov.gov, forms.gov, fpisc.gov, gobiernousa.gov, gsa.gov, m.gsa.gov, pbrb.gov, permitting.gov, usa.gov, workplace.gsa.gov, www.fpisc.gov

Certificate chain as served

firstgov.govissued by YR1 · expires 2026-10-18
YR1issued by Root YR · expires 2028-09-02
Root YRissued by ISRG Root X1 · expires 2032-09-02
ISRG Root X1self-signed (root) · expires 2035-06-04

Common questions

Is the USA.gov SSL certificate expired?

At the last check, the certificate usa.gov serves was within its validity period. It expires on 2026-10-18, 28 days from that check.

When does the USA.gov SSL certificate expire?

The certificate usa.gov is currently serving expires on 2026-10-18 (28 days from the last check). Large services rotate certificates long before that date.

Who issued the USA.gov SSL certificate?

The certificate was issued by YR1.

How is this checked?

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

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

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