假设我们有以下DNS区域:
A record: 88.150.22.130
MX record: 88.150.22.131
SOA record: 88.150.22.132
NS record: 88.150.22.133
A record for subdomain "www" : 88.150.22.134 (the web server)
A record for subdomain "ftp" : 88.150.22.135 (the ftp server)
在这种情况下(我在大团队中见过很多这种情况),IP为88.150.22.130的机器的作用是