| 1234567891011121314151617181920212223242526272829 | package servercfgimport (	"testing"	"github.com/matryer/is")func TestValidateDomain(t *testing.T) {	t.Run("", func(t *testing.T) {		is := is.New(t)		valid := validateDomain("netmaker.hosted")		is.Equal(valid, true)	})	t.Run("", func(t *testing.T) {		is := is.New(t)		valid := validateDomain("ipv4test1.hosted")		is.Equal(valid, true)	})	t.Run("", func(t *testing.T) {		is := is.New(t)		valid := validateDomain("ip_4?")		is.Equal(valid, false)	})}
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