nslookup工具详解

nslookup

[root@huage ~]# nslookup

> fuloon.com                             //默认查询A记录

Server: 8.8.8.8
Address: 8.8.8.8#53

Non-authoritative answer:
Name: fuloon.com
Address: 68.178.232.100
> kugou.com
Server: 8.8.8.8
Address: 8.8.8.8#53

Non-authoritative answer:
Name: kugou.com
Address: 61.143.251.175
Name: kugou.com
Address: 61.143.251.199
Name: kugou.com
Address: 61.143.251.173
Name: kugou.com
Address: 61.143.251.174
> set type=mx                           //查询MX记录
> fuloon.com
Server: 8.8.8.8
Address: 8.8.8.8#53

Non-authoritative answer:
fuloon.com mail exchanger = 10 ASPMX.L.GOOGLE.com.
fuloon.com mail exchanger = 20 ALT1.ASPMX.L.GOOGLE.com.
fuloon.com mail exchanger = 30 ALT2.ASPMX.L.GOOGLE.com.
fuloon.com mail exchanger = 40 ASPMX2.GOOGLEMAIL.com.
fuloon.com mail exchanger = 50 ASPMX3.GOOGLEMAIL.com.

Authoritative answers can be found from:
> kugou.com
Server: 8.8.8.8
Address: 8.8.8.8#53

Non-authoritative answer:
kugou.com mail exchanger = 10 mx.corpease.net.

Authoritative answers can be found from:
> set type=ns                           //查询NS记录
> fuloon.com
Server: 8.8.8.8
Address: 8.8.8.8#53

Non-authoritative answer:
fuloon.com nameserver = ns76.domaincontrol.com.
fuloon.com nameserver = ns75.domaincontrol.com.

Authoritative answers can be found from:
> kugou.com
Server: 8.8.8.8
Address: 8.8.8.8#53

Non-authoritative answer:
kugou.com nameserver = ns.kugou.net.

Authoritative answers can be found from:
> set type=a                             //查询A记录
> fuloon.com
Server: 8.8.8.8
Address: 8.8.8.8#53

Non-authoritative answer:
Name: fuloon.com
Address: 68.178.232.100
> kugou.com
Server: 8.8.8.8
Address: 8.8.8.8#53

Non-authoritative answer:
Name: kugou.com
Address: 61.143.251.175
Name: kugou.com
Address: 61.143.251.199
Name: kugou.com
Address: 61.143.251.173
Name: kugou.com
Address: 61.143.251.174
> set type=txt                          //查询TXT记录
> fuloon.com
Server: 8.8.8.8
Address: 8.8.8.8#53

Non-authoritative answer:
fuloon.com text = "google-site-verification=EDX1FNYOH7z8xgPq1kKvJULgk8qtYsdbLD94n82I0co"

Authoritative answers can be found from:
> kugou.com
Server: 8.8.8.8
Address: 8.8.8.8#53

Non-authoritative answer:
kugou.com text = "v=spf1 ptr:corpease.net -all"

Authoritative answers can be found from:
> set type=cname                        //查询CNAME记录
> email.fuloon.com
Server: 8.8.8.8
Address: 8.8.8.8#53

Non-authoritative answer:
email.fuloon.com canonical name = email.secureserver.net.

Authoritative answers can be found from:
> smtp.kugou.com
Server: 8.8.8.8
Address: 8.8.8.8#53

Non-authoritative answer:
smtp.kugou.com canonical name = smtp.corpease.net.

Authoritative answers can be found from:
> pop.kugou.com
Server: 8.8.8.8
Address: 8.8.8.8#53

Non-authoritative answer:
pop.kugou.com canonical name = pop.corpease.net.

Authoritative answers can be found from:
> www.kugou.com
Server: 8.8.8.8
Address: 8.8.8.8#53

Non-authoritative answer:
*** Can't find kugou.com: No answer

Authoritative answers can be found from:
kugou.com
origin = ns.kugou.net
mail addr = root.ns.kugou.net
serial = 2010101000
refresh = 3600
retry = 900
expire = 68400
minimum = 15
> server 208.67.222.222                 //将DNS临时改为OpenDNS
Default server: 208.67.222.222
Address: 208.67.222.222#53
> www.10086.cn
Server: 208.67.222.222
Address: 208.67.222.222#53

Non-authoritative answer:
Name: www.10086.cn
Address: 218.206.191.72
Name: www.10086.cn
Address: 218.206.191.70
> www.baidu.com
Server: 208.67.222.222
Address: 208.67.222.222#53

Non-authoritative answer:
www.baidu.com canonical name = www.a.shifen.com.
Name: www.a.shifen.com
Address: 220.181.111.147
> www.sina.com.cn
Server: 208.67.222.222
Address: 208.67.222.222#53

Non-authoritative answer:
www.sina.com.cn canonical name = jupiter.sina.com.cn.
jupiter.sina.com.cn canonical name = region.sina.csglb.txcdn.cn.
region.sina.csglb.txcdn.cn canonical name = g2.panthercdn.com.
Name: g2.panthercdn.com
Address: 66.114.50.80
Name: g2.panthercdn.com
Address: 66.114.50.13
> exit

[root@huage ~]#
[root@huage ~]# nslookup
> 208.67.222.222                         //根据IP查询对应的域名
Server: 8.8.8.8
Address: 8.8.8.8#53

Non-authoritative answer:
222.222.67.208.in-addr.arpa name = resolver1.opendns.com.

Authoritative answers can be found from:
> 8.8.8.8
Server: 8.8.8.8
Address: 8.8.8.8#53

Non-authoritative answer:
8.8.8.8.in-addr.arpa name = google-public-dns-a.google.com.

Authoritative answers can be found from:
> 72.232.194.162
Server: 8.8.8.8
Address: 8.8.8.8#53

Non-authoritative answer:
162.194.232.72.in-addr.arpa name = www.centos.org.

Authoritative answers can be found from:
>

备注：
1.nslookup工具在windows下linux通用,nslookup是bind-utils包中的可执行文件；
2.windows下查看DNS缓存的命令是"ipconfig /displaydns "，清除DNS缓存的命令是"ipconfig /flushdns"；