Linux nslookup命令帮助和DNS查找示例(2)-木庄网络博客

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1	`# nslookup -query=any` `google.com`

Server:         8.8.8.8
Address:        8.8.8.8#53
Non-authoritative answer:
Name:   google.com
Address: 216.58.219.206
google.com      has AAAA address 2607:f8b0:4006:80e::200e
google.com      mail exchanger = 20 alt1.aspmx.l.google.com.
google.com      mail exchanger = 40 alt3.aspmx.l.google.com.
google.com      nameserver = ns2.google.com.
google.com      nameserver = ns4.google.com.
google.com      nameserver = ns3.google.com.
google.com      rdata_257 = 0 issue "pki.goog"
google.com      mail exchanger = 30 alt2.aspmx.l.google.com.
google.com      mail exchanger = 10 aspmx.l.google.com.
google.com      mail exchanger = 50 alt4.aspmx.l.google.com.
google.com      text = "v=spf1 include:_spf.google.com ~all"
google.com      nameserver = ns1.google.com.
google.com      rdata_257 = 0 issue "symantec.com"
google.com
        origin = ns2.google.com
        mail addr = dns-admin.google.com
        serial = 159912615
        refresh = 900
        retry = 900
        expire = 1800
        minimum = 60
Authoritative answers can be found from:

Nslookup在交互模式下

我们也可以在交互模式中使用nslookup。要进入交互模式，请在控制台上输入nslookup，然后按Enter。将得到nslookup提示，如>。在这里，可以运行相同的查询并从DNS服务器获取域的信息。为了更好的理解，在命令之间添加了注释。

root@tecadmin:~#nslookup
### Type domain name to get information from dns server 
> google.com
Server:         8.8.8.8
Address:        8.8.8.8#53
 
Non-authoritative answer:
Name:   google.com
Address: 172.217.10.46
 
### Set the another specific dns server to query. 
> server 8.8.4.4 
Default server: 8.8.4.4
Address: 8.8.4.4#53
 
### Again try to get the dns information, This time nslookup connects to specified dns server. 
> google.com 
Server:         8.8.4.4
Address:        8.8.4.4#53
 
Non-authoritative answer:
Name:   google.com
Address: 172.217.10.46
 
### Set the query type. for example to get MX information set query=mx 
> set query=mx 
 
### Again try to get the dns information, This time nslookup will show MX information for domain 
> google.com 
Server:         8.8.4.4
Address:        8.8.4.4#53
 
Non-authoritative answer:
google.com      mail exchanger = 30 alt2.aspmx.l.google.com.
google.com      mail exchanger = 50 alt4.aspmx.l.google.com.
google.com      mail exchanger = 40 alt3.aspmx.l.google.com.
google.com      mail exchanger = 10 aspmx.l.google.com.
google.com      mail exchanger = 20 alt1.aspmx.l.google.com.
 
Authoritative answers can be found from:

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