当我看到53号线路的记录时。就像有数据一样。但我不知道怎么读。据我所知,A记录表示域名的IPv4地址。但123xyz.cloudfront.net.在这一记录中得到了代表。这是什么?
Record name Type Routing policy Differentiator Value/Route traffic to
beta.test.example.com A Simple - 123xyz.cloudfront.net.
beta.test.example.com AAAA Simple
我在Digital Ocean上的邮件服务器有问题。我的邮件服务器使用的是“mail in a box”应用程序。每次,当我尝试发送邮件到例如: some@gmail.com时,我都得到了相同的响应:
Undelivered Mail Returned to Sender
From
MAILER-DAEMON@mail.sporta.io
This is the mail system at host mail.sporta.io.
I'm sorry to have to inform you that your message could not
be delivered t