Monzo SSL certificate status

Valid — 160 days until expiry(monzo.com)

This page shows the Monzo SSL certificate as served by monzo.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 04:54 UTC. CertPost is not affiliated with Monzo.

Certificate details

Subjectmonzo-prod.com
IssuerAmazon RSA 2048 M04
Valid from2026-01-30
Expires2027-02-27
Days remaining160
Chain validyes
Hostname matchyes
Negotiated protocolTLSv1.3
TLS versions acceptedTLSv1.2, TLSv1.3

Hostnames this certificate covers

monzo-prod.com, monzo.com

Certificate chain as served

monzo-prod.comissued by Amazon RSA 2048 M04 · expires 2027-02-27
Amazon RSA 2048 M04issued by Amazon Root CA 1 · expires 2030-08-23
Amazon Root CA 1issued by Starfield Services Root Certificate Authority - G2 · expires 2037-12-31
Starfield Services Root Certificate Authority - G2self-signed (root) · expires 2037-12-31

Common questions

Is the Monzo SSL certificate expired?

At the last check, the certificate monzo.com serves was within its validity period. It expires on 2027-02-27, 160 days from that check.

When does the Monzo SSL certificate expire?

The certificate monzo.com is currently serving expires on 2027-02-27 (160 days from the last check). Large services rotate certificates long before that date.

Who issued the Monzo SSL certificate?

The certificate was issued by Amazon RSA 2048 M04.

How is this checked?

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

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

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