It works for Win11 here.
Check in your browser if you have ‘Sectigo Public Server Authentication Root R46’ as trusted root certificate (I’m not a Mac user to help with this). Certificate for ‘*.dxo.com’ is certified with intermediate certificate ‘Sectigo Public Server Authentication CA OV R36’ which in turn uses the mentioned root certificate. These are quite fresh. See Sectigo Public Intermediates and Roots . You may use SSL Server Test (Powered by Qualys SSL Labs) for TLS/certificate check by SSLlabs. DxO has renewed certifaces recently, they have start date July 22, 2025.
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