Root zone
These servers manage the DNS root zone
all servers delegate to
cn.
These servers manage the cn zone
all servers delegate to
outlook.cn.
These servers manage the outlook.cn zone
all servers delegate to
protection.partner.outlook.cn.
These servers manage the protection.partner.outlook.cn zone
all servers delegate to
mail.protection.partner.outlook.cn.
These servers manage the mail.protection.partner.outlook.cn zone
These servers timed out.