Brave domain-wide certificate issues

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Description of the issue:
Brave search, as well as any other sites, give me an SSL certificate error NET::ERR_CERT_COMMON_NAME_INVALID.
I DO NOT use brave browser, but this issue appears on both Chrome, Vivaldi and Firefox browsers, as well as on my PC and my Android phone.
It also seems not to appear when using a VPN, that’s why I can talk here
I am in France and set my VPN to Netherlands or US

Operating System:
Windows, Android