查询域名mx记录是否生效的实例教程

nslookup
set type=mx （注意set后面要有空格）
****.com （这里填写需要检查邮局的顶级域名）
回车

C:\>nslookup
Default Server:  hzdns47.zjhzptt.net.cn
Address:  202.101.172.47
> set type=mx
> 53dns.com
Server:  hzdns47.zjhzptt.net.cn
Address:  202.101.172.47
Non-authoritative answer:
53dns.com       MX preference = 10, mail exchanger = mail.53dns.com
53dns.com       nameserver = dns.cnmsn.net
mail.53dns.com  internet address = 61.152.91.176
dns.cnmsn.net   internet address = 61.151.252.250

C:\>nslookup
Default Server:  hzdns47.zjhzptt.net.cn
Address:  202.101.172.47
> set type=mx
> 53hy.com
Server:  hzdns47.zjhzptt.net.cn
Address:  202.101.172.47
*** No mail exchange (MX) records available for 53hy.com
>

> set type=mx
> 53dns.cn
Server:  hzdns47.zjhzptt.net.cn
Address:  202.101.172.47
53dns.cn
        primary name server = dns.cnmsn.net
        responsible mail addr = dnsconct.bizcn.com
        serial  = 1219805588
        refresh = 28800 (8 hours)
        retry   = 14400 (4 hours)
        expire  = 14400 (4 hours)
        default TTL = 600 (10 mins)