runes[i+1] = validMiddle[c.Rand.Intn(len(validMiddle))].choose(c.Rand)
	}
	runes[len(runes)-1] = validStartEnd[c.Rand.Intn(len(validStartEnd))].choose(c.Rand)

	return string(runes)
}

func randomDNSLabel(c fuzz.Continue) string {
	validStartEnd := []charRange{{'0', '9'}, {'a', 'z'}}
	validMiddle := []charRange{{'0', '9'}, {'a', 'z'}, {'-', '-'}}

	partLen := c.Rand.Intn(63) + 1 // len is [1, 63]