域名测试

MS-DOS界面。输入"nslookup"命令。

• 查询MX记录

>set q=mx

>sina.com //查询的域名

Server:  hangzhou.zjhzptt.net.cn //当前DNS服务器
Address:  202.101.172.35  //当前DNS服务器IP

Non-authoritative answer:
sina.com        MX preference = 10, mail exchanger = freemx1.sinamail.sina.com.cn  //mail服务器
sina.com        MX preference = 10, mail exchanger = freemx2.sinamail.sina.com.cn
sina.com        MX preference = 10, mail exchanger = freemx3.sinamail.sina.com.cn

sina.com        nameserver = ns3.sina.com.cn //负责解析域名的DNS服务器主机名
sina.com        nameserver = ns2.sina.com.cn
sina.com        nameserver = ns1.sina.com.cn
freemx1.sinamail.sina.com.cn    internet address = 202.108.3.242 //mail服务器IP
freemx2.sinamail.sina.com.cn    internet address = 218.30.115.106
freemx3.sinamail.sina.com.cn    internet address = 60.28.2.248
ns3.sina.com.cn internet address = 202.108.44.55
ns2.sina.com.cn internet address = 61.172.201.254
ns1.sina.com.cn internet address = 202.106.184.166

 

• 查询A记录

>set q=a

Server:  hangzhou.zjhzptt.net.cn //当前DNS服务器
Address:  202.101.172.35  //当前DNS服务器IP

 

Non-authoritative answer:
Name:    sina.com
Address:  12.130.152.116 //域名对用的IP

 

• 查询PTR记录

>set q=ptr

>202.108.44.55

 

... //反向解析域名需要DNS服务器支持