Invalid SSL certificate for https://vitals.dev from Cloudfront - Error code 526

[ggfevans]

Noted that the https://vitals.dev/ page doesn't load.

Text:
Invalid SSL certificate Error code 526

If you're the owner of this website:
The SSL certificate presented by the server did not pass validation. This could indicate an expired SSL certificate or a certificate that does not include the requested domain name. Please contact your hosting provider to ensure that an up-to-date and valid SSL certificate issued by a Certificate Authority is configured for this domain name on the origin server. Additional troubleshooting information here.