dig命令详解

原文链接:http://www.javaarch.net/jiagoushi/756.htm

 

dig命令详解

1.查看域名的A记录

	# dig yahoo.com; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.10.rc1.el6_3.2 <<>> yahoo.com
	;; global options: +cmd
	;; Got answer:
	;; ->>HEADER<
	
2.查看域名的ip

	# dig yahoo.com +short

	98.139.183.24
	72.30.38.140
	98.138.253.109

3.查看域名的MX 记录

	# dig yahoo.com MX

	; <> DiG 9.8.2rc1-RedHat-9.8.2-0.10.rc1.el6_3.2 <> yahoo.com MX
	;; global options: +cmd
	;; Got answer:
	;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 31450
	;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 24

	;; QUESTION SECTION:
	;yahoo.com.                     IN      MX

	;; ANSWER SECTION:
	yahoo.com.              33      IN      MX      1 mta6.am0.yahoodns.net.
	yahoo.com.              33      IN      MX      1 mta7.am0.yahoodns.net.
	yahoo.com.              33      IN      MX      1 mta5.am0.yahoodns.net.
	
4.查看域名的SOA记录

	# dig yahoo.com SOA

	; <> DiG 9.8.2rc1-RedHat-9.8.2-0.10.rc1.el6_3.2 <> yahoo.com SOA
	;; global options: +cmd
	;; Got answer:
	;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2197
	;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 7, ADDITIONAL: 7

	;; QUESTION SECTION:
	;yahoo.com.                     IN      SOA

	;; ANSWER SECTION:
	yahoo.com.              1800    IN      SOA     ns1.yahoo.com. hostmaster.yahoo-inc.com. 2012081409 3600 300 1814400 600
	
5.查询域名的TTL记录

	# dig yahoo.com TTL

	; <> DiG 9.8.2rc1-RedHat-9.8.2-0.10.rc1.el6_3.2 <> yahoo.com TTL
	;; global options: +cmd
	;; Got answer:
	;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 56156
	;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 0

	;; QUESTION SECTION:
	;yahoo.com.                     IN      A

	;; ANSWER SECTION:
	yahoo.com.              3589    IN      A       98.138.253.109
	yahoo.com.              3589    IN      A       98.139.183.24
	yahoo.com.              3589    IN      A       72.30.38.140
	
6.查看内容信息

	# dig yahoo.com +nocomments +noquestion +noauthority +noadditional +nostats

	; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.10.rc1.el6 <<>> yahoo.com +nocomments +noquestion +noauthority +noadditional +nostats
	;; global options: +cmd
	yahoo.com.              3442    IN      A       72.30.38.140
	yahoo.com.              3442    IN      A       98.138.253.109
	yahoo.com.              3442    IN      A       98.139.183.24
	
7.查询所有的DNS记录类型

	# dig yahoo.com ANY +noall +answer

	; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.10.rc1.el6 <<>> yahoo.com ANY +noall +answer
	;; global options: +cmd
	yahoo.com.              3509    IN      A       72.30.38.140
	yahoo.com.              3509    IN      A       98.138.253.109
	yahoo.com.              3509    IN      A       98.139.183.24
	yahoo.com.              1709    IN      MX      1 mta5.am0.yahoodns.net.
	yahoo.com.              1709    IN      MX      1 mta6.am0.yahoodns.net.
	yahoo.com.              1709    IN      MX      1 mta7.am0.yahoodns.net.
	yahoo.com.              43109   IN      NS      ns2.yahoo.com.
	yahoo.com.              43109   IN      NS      ns8.yahoo.com.
	yahoo.com.              43109   IN      NS      ns3.yahoo.com.
	yahoo.com.              43109   IN      NS      ns1.yahoo.com.
	yahoo.com.              43109   IN      NS      ns4.yahoo.com.
	yahoo.com.              43109   IN      NS      ns5.yahoo.com.
	yahoo.com.              43109   IN      NS      ns6.yahoo.com.
	
8.DNS反向查询

	# dig -x 72.30.38.140 +short

	ir1.fp.vip.sp2.yahoo.com.
	
9.查询多个DNS记录

	# dig yahoo.com mx +noall +answer redhat.com ns +noall +answer

	; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.10.rc1.el6 <<>> yahoo.com mx +noall +answer redhat.com ns +noall +answer
	;; global options: +cmd
	yahoo.com.              1740    IN      MX      1 mta6.am0.yahoodns.net.
	yahoo.com.              1740    IN      MX      1 mta7.am0.yahoodns.net.
	yahoo.com.              1740    IN      MX      1 mta5.am0.yahoodns.net.
	redhat.com.             132     IN      NS      ns1.redhat.com.
	redhat.com.             132     IN      NS      ns4.redhat.com.
	redhat.com.             132     IN      NS      ns3.redhat.com.
	redhat.com.             132     IN      NS      ns2.redhat.com.

 

 

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