The .sha checksum links either do not resolve to a file, or are resolving to an old preview 2 .sha file.

• https://aka.ms/dotnet/8.0.1xx/daily/dotnet-sdk-win-x64.exe.sha
  • Redirects to https://dotnetbuilds.azureedge.net/public-checksums/Sdk/8.0.100-preview.2.23107.7/dotnet-sdk-8.0.100-preview.2.23107.7-win-x64.exe.sha
• https://aka.ms/dotnet/8.0.1xx-preview6/daily/dotnet-sdk-win-x64.exe.sha
  • Opens bing.com. aka.ms link not setup?
• https://aka.ms/dotnet/7.0.4xx/daily/dotnet-sdk-win-x64.exe.sha
  • Opens bing.com. aka.ms link not setup?

Not checked all of these but the Windows and macOS links seem to be broken.