continue
		}
	}
}

// Issue 13705: don't try to resolve onion addresses, etc
func TestAvoidDNSName(t *testing.T) {
	tests := []struct {
		name  string
		avoid bool
	}{
		{"foo.com", false},
		{"foo.com.", false},

		{"foo.onion.", true},
		{"foo.onion", true},
		{"foo.ONION", true},
		{"foo.ONION.", true},

		// But do resolve *.local address; Issue 16739

// use DNS. Currently this includes only .onion, per RFC 7686. See
// golang.org/issue/13705. Does not cover .local names (RFC 6762),
// see golang.org/issue/16739.
func avoidDNS(name string) bool {
	if name == "" {
		return true
	}
	if name[len(name)-1] == '.' {
		name = name[:len(name)-1]
	}
	return stringsHasSuffixFold(name, ".onion")
}