{"10-0-0-1", true},
	{"fo-o.com", true},
	{"fo1o.com", true},
	{"foo1.com", true},
	{"a.b..com", false},
	{"a.b-.com", false},
	{"a.b.com-", false},
	{"a.b..", false},
	{"b.com.", true},
}

func emitDNSNameTest(ch chan<- dnsNameTest) {
	defer close(ch)
	var char63 = ""
	for i := 0; i < 63; i++ {
		char63 += "a"
	}
	char64 := char63 + "a"
	longDomain := strings.Repeat(char63+".", 5) + "example"