UKTS issues

I have been following some chatter about UKTS on the Steam forums. I seems that it has an expired security certificate (confirmed) and from discussions on the UKTS forum may no be around long.
https://railworksamerica.com/forum/
https://railworksamerica.com/forum/viewtopic.php?f=6&t=24317
NET::ERR_CERT_DATE_INVALID
Subject: www.uktrainsim.com
Issuer: ZeroSSL RSA Domain Secure Site CA
Expires on: Oct 1, 2022
Current date: Nov 10, 2022