I have also checked and see this company was dissolved on May 21st, 2024
Please take a look at the information below.
https://find-and-update.company-information.service.gov.uk/company/12557446
If you check on here https://lookup.icann.org/en/lookup for proven.ly, you will see the domain expired two days ago. I have asked for credit or a refund as I bought this not knowing the company was dissolve