return r.goLookupMX(ctx, name)
}

func (r *Resolver) lookupNS(ctx context.Context, name string) ([]*NS, error) {
	return r.goLookupNS(ctx, name)
}

func (r *Resolver) lookupTXT(ctx context.Context, name string) ([]string, error) {
	return r.goLookupTXT(ctx, name)
}

func (r *Resolver) lookupAddr(ctx context.Context, addr string) ([]string, error) {

		}
	})
}

func TestNSLookupTXT(t *testing.T) {
	testenv.MustHaveExternalNetwork(t)

	testLookup(t, func(t *testing.T, r *Resolver, server string) {
		txt, err := r.LookupTXT(context.Background(), server)
		if err != nil {
			t.Fatalf("failed %s: %s", server, err)
		}
		if len(txt) == 0 {
			t.Fatalf("no results")
		}
		expected, err := nslookupTXT(server)
		if err != nil {