Cannot install using go install

[clin1234]

go install github.com/anonvector/DNS-Multiplexer@main
go: downloading github.com/anonvector/DNS-Multiplexer v0.0.0-20260314123451-123b19a71351
go: github.com/anonvector/DNS-Multiplexer@main: version constraints conflict:
        github.com/anonvector/DNS-Multiplexer@v0.0.0-20260314123451-123b19a71351: parsing go.mod:
        module declares its path as: dns-mux
                but was required as: github.com/anonvector/DNS-Multiplexer