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命令简介
nslookup(name server lookup)命令用于查询域名 DNS 信息的工具。nslookup 有两种工作模式,即“交互模式”和“非交互模式”。
-
[root@CentOS7
-1 ~]# nslookup
-
-bash: nslookup: command not found
-
[root@CentOS7
-1 ~]# yum install -y bind-utils
语法格式
nslookup [-option] [name | -] [server]
选项说明
-
-query=TYPE #设置查询类型
-
-timeout=NUMBER #设置等待响应的超时时间,单位秒
-
-sil #不显示任何警告信息。
还有一些交互的命令,有兴趣的读者可以查看帮助信息阅读。
应用举例
实例
-
非交互式模式
-
[root@CentOS7
-1 ~]# nslookup www.baidu.com
-
Server:
223.5
.5
.5
-
Address:
223.5
.5
.5#
53
-
-
Non-authoritative answer:
-
www.baidu.com canonical name = www.a.shifen.com.
-
Name: www.a.shifen.com
-
Address:
36.152
.44
.96
-
Name: www.a.shifen.com
-
Address:
36.152
.44
.95
-
-
#交互式模式
-
[root@CentOS7
-1 ~]# nslookup
-
> baidu.com
-
Server:
223.5
.5
.5
-
Address:
223.5
.5
.5#
53
-
-
Non-authoritative answer:
-
Name: baidu.com
-
Address:
39.156
.69
.79
-
Name: baidu.com
-
Address:
220.181
.38
.148
-
>
163.com
-
Server:
223.5
.5
.5
-
Address:
223.5
.5
.5#
53
-
-
Non-authoritative answer:
-
Name:
163.com
-
Address:
123.58
.180
.7
-
Name:
163.com
-
Address:
123.58
.180
.8
google.com 相关的信息
-
#在您的 DNS 中查询与域名 google.com 相关的所有可用信息。
-
[root@CentOS7
-1 ~]# nslookup -
type=any google.com
-
Server:
223.5
.5
.5
-
Address:
223.5
.5
.5#
53
-
-
Non-authoritative answer:
-
Name: google.com
-
Address:
93.46
.8
.90
-
google.com nameserver = ns1.google.com.
-
google.com nameserver = ns2.google.com.
-
google.com nameserver = ns4.google.com.
-
google.com nameserver = ns3.google.com.
-
-
Authoritative answers can be found from:
-
-
#在您的 DNS 中查询与域名 google.com 相关邮件交换服务器的信息
-
[root@CentOS7
-1 ~]# nslookup -
type=mx google.com
-
Server:
223.5
.5
.5
-
Address:
223.5
.5
.5#
53
-
-
Non-authoritative answer:
-
google.com mail exchanger =
10 aspmx.l.google.com.
-
google.com mail exchanger =
50 alt4.aspmx.l.google.com.
-
google.com mail exchanger =
20 alt1.aspmx.l.google.com.
-
google.com mail exchanger =
30 alt2.aspmx.l.google.com.
-
google.com mail exchanger =
40 alt3.aspmx.l.google.com.
-
-
Authoritative answers can be found from:
反向查找一个地址(文中地址作了处理哈)
-
[root@CentOS7
-1 ~]# nslookup
200.208
.150
.3
-
-
Server:
103.240
.22
.111
-
Address:
103.240
.22
.111#
53
-
-
Non-authoritative answer:
-
3.150
.208
.200.in-addr.arpa name =
200.208
.150
.3.xmission.com.
-
-
Authoritative answers can be found from:
-
150.208
.200.in-addr.arpa nameserver = ns1.xmission.com.
-
150.208
.200.in-addr.arpa nameserver = ns2.xmission.com.
-
150.208
.200.in-addr.arpa nameserver = ns.xmission.com.
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转载:https://blog.csdn.net/mingongge/article/details/115037782
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