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请解释nslookup=>set q=mx=>163.com显示的信息

问题
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我用nslookup=>set q=mx=>163.com显示以下信息,不是很明白请逐条解释一下,谢谢!
Non-authoritative answer:
163.com MX preference = 10, mail exchanger = 163mx02.mxmail.netease.com
163.com MX preference = 10, mail exchanger = 163mx03.mxmail.netease.com
163.com MX preference = 50, mail exchanger = 163mx00.mxmail.netease.com
163.com MX preference = 10, mail exchanger = 163mx01.mxmail.netease.com163.com nameserver = ns3.nease.net
163.com nameserver = ns2.nease.net
163.com nameserver = ns4.nease.net
163.com nameserver = ns1.nease.net
163mx01.mxmail.netease.com internet address = 220.181.12.70
163mx01.mxmail.netease.com internet address = 220.181.12.79
163mx01.mxmail.netease.com internet address = 220.181.12.98
163mx01.mxmail.netease.com internet address = 220.181.12.51
163mx01.mxmail.netease.com internet address = 220.181.12.59
163mx01.mxmail.netease.com internet address = 220.181.12.60
163mx01.mxmail.netease.com internet address = 220.181.12.62
163mx01.mxmail.netease.com internet address = 220.181.12.63
163mx01.mxmail.netease.com internet address = 220.181.12.64
163mx01.mxmail.netease.com internet address = 220.181.12.65
163mx01.mxmail.netease.com internet address = 220.181.12.66
163mx01.mxmail.netease.com internet address = 220.181.12.67
163mx01.mxmail.netease.com internet address = 220.181.12.68
163mx01.mxmail.netease.com internet address = 220.181.12.69
答案
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Non-authoritative answer:
163.com MX preference = 10, mail exchanger = 163mx02.mxmail.netease.com 邮件交换记录,优先级是10
163.com MX preference = 10, mail exchanger = 163mx03.mxmail.netease.com 邮件交换记录,优先级是10
163.com MX preference = 50, mail exchanger = 163mx00.mxmail.netease.com 邮件交换记录,优先级是50
163.com MX preference = 10, mail exchanger = 163mx01.mxmail.netease.com 邮件交换记录,优先级是10邮件交换记录的数值越低,代表优先将邮件发送到这些邮件服务器。10的优先级大于数值为50的优先级的服务器。而其他优先级是10的服务器说明这些是同级别的邮件服务器,他会根据解析的先后顺序来实现邮件的发送,也就是随机的将邮件发送给这些用户。
163.com nameserver = ns3.nease.net
163.com nameserver = ns2.nease.net
163.com nameserver = ns4.nease.net
163.com nameserver = ns1.nease.net这代表163.COM的邮件 记录解析服务器是在网易本地,而不是采用第三方的DNS解析系统,一般采用自己的DNS解析系统的优点在于二级域名不受到ISP提供商的限制,能够很方便的实现各类名称的解析,以上代表163有四个DNS服务器实现域名的解析。
163mx01.mxmail.netease.com internet address = 220.181.12.70
163mx01.mxmail.netease.com internet address = 220.181.12.79
163mx01.mxmail.netease.com internet address = 220.181.12.98
163mx01.mxmail.netease.com internet address = 220.181.12.51
163mx01.mxmail.netease.com internet address = 220.181.12.59
163mx01.mxmail.netease.com internet address = 220.181.12.60
163mx01.mxmail.netease.com internet address = 220.181.12.62
163mx01.mxmail.netease.com internet address = 220.181.12.63
163mx01.mxmail.netease.com internet address = 220.181.12.64
163mx01.mxmail.netease.com internet address = 220.181.12.65
163mx01.mxmail.netease.com internet address = 220.181.12.66
163mx01.mxmail.netease.com internet address = 220.181.12.67
163mx01.mxmail.netease.com internet address = 220.181.12.68
163mx01.mxmail.netease.com internet address = 220.181.12.69以上这些就是邮件对应的入口了,意味着可以随机选择一个入口进行投递
ITPRO 的价值在于分享,程序开发人员的价值在于创造,架构师分析师的价值在于分析出客户潜在需求,项目经理的价值就是搞定客户! ___________________________________________________________ MSN:fogyisland_x@htomai.com QQ:10853913 Blog:http://blog.csdn.net/fogyisland2000 Blog:http://fogyisland.blog.51cto.net 如果一个人将知识带入坟墓,他是可耻的。所以知识需要分享!
全部回复
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Non-authoritative answer:
163.com MX preference = 10, mail exchanger = 163mx02.mxmail.netease.com 邮件交换记录,优先级是10
163.com MX preference = 10, mail exchanger = 163mx03.mxmail.netease.com 邮件交换记录,优先级是10
163.com MX preference = 50, mail exchanger = 163mx00.mxmail.netease.com 邮件交换记录,优先级是50
163.com MX preference = 10, mail exchanger = 163mx01.mxmail.netease.com 邮件交换记录,优先级是10邮件交换记录的数值越低,代表优先将邮件发送到这些邮件服务器。10的优先级大于数值为50的优先级的服务器。而其他优先级是10的服务器说明这些是同级别的邮件服务器,他会根据解析的先后顺序来实现邮件的发送,也就是随机的将邮件发送给这些用户。
163.com nameserver = ns3.nease.net
163.com nameserver = ns2.nease.net
163.com nameserver = ns4.nease.net
163.com nameserver = ns1.nease.net这代表163.COM的邮件 记录解析服务器是在网易本地,而不是采用第三方的DNS解析系统,一般采用自己的DNS解析系统的优点在于二级域名不受到ISP提供商的限制,能够很方便的实现各类名称的解析,以上代表163有四个DNS服务器实现域名的解析。
163mx01.mxmail.netease.com internet address = 220.181.12.70
163mx01.mxmail.netease.com internet address = 220.181.12.79
163mx01.mxmail.netease.com internet address = 220.181.12.98
163mx01.mxmail.netease.com internet address = 220.181.12.51
163mx01.mxmail.netease.com internet address = 220.181.12.59
163mx01.mxmail.netease.com internet address = 220.181.12.60
163mx01.mxmail.netease.com internet address = 220.181.12.62
163mx01.mxmail.netease.com internet address = 220.181.12.63
163mx01.mxmail.netease.com internet address = 220.181.12.64
163mx01.mxmail.netease.com internet address = 220.181.12.65
163mx01.mxmail.netease.com internet address = 220.181.12.66
163mx01.mxmail.netease.com internet address = 220.181.12.67
163mx01.mxmail.netease.com internet address = 220.181.12.68
163mx01.mxmail.netease.com internet address = 220.181.12.69以上这些就是邮件对应的入口了,意味着可以随机选择一个入口进行投递
ITPRO 的价值在于分享,程序开发人员的价值在于创造,架构师分析师的价值在于分析出客户潜在需求,项目经理的价值就是搞定客户! ___________________________________________________________ MSN:fogyisland_x@htomai.com QQ:10853913 Blog:http://blog.csdn.net/fogyisland2000 Blog:http://fogyisland.blog.51cto.net 如果一个人将知识带入坟墓,他是可耻的。所以知识需要分享!