WHAT DOES CONVERT MQ4 TO EX4 FILE MEAN?

SOA information expose the main name server, list administrator's Call info, track DNS report updates and watch how often secondary title servers update their copies of the domain's DNS records.*あまりロールオーバー時間が長いブローカーの場合、その間に窓が埋まってしまう場合もありますのでご注意下さ�