Just the Mozilla CA list has more than a hundred CAs ... https://ccadb-public.secure.force.com/mozilla/IncludedCACertificateReport https://ccadb-public.secure.f

Just the Mozilla CA list has more than a hundred CAs ... https://ccadb-public.secure.force.com/mozilla/IncludedCACertificateReport https://ccadb-public.secure.force.com/mozilla/IncludedCACert... And you can install your trust root if you want, for example I can't find any Russian ones in that list, so probably the Russian government uses internal ones. (Their tax authority interestingly uses Sectigo a CA from the UK.)