wget https://go.dev/dl/go1.24.0.linux-amd64.tar.gz
sudo tar -C /usr/local -xzf go1.24.0.linux-amd64.tar.gz
/usr/local/go/bin/go install -v github.com/projectdiscovery/subfinder/v2/cmd/subfinder@latest

uso:
$HOME/go/bin/subfinder -d unapagina.com