Linux命令之dig命令例項講解

2022-07-31 13:54:14 字數 4694 閱讀 7172

1.檢視網域名稱的a記錄

# 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.檢視網域名稱的ip

# dig yahoo.com +short

98.139.183.24

72.30.38.140

98.138.253.109

3.檢視網域名稱的mx 記錄

# 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.檢視網域名稱的soa記錄

# 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.查詢網域名稱的ttl記錄

# 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.檢視內容資訊

# 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.查詢所有的dns記錄型別

# 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反向查詢

# dig -x 72.30.38.140 +short

ir1.fp.vip.sp2.yahoo.com.

9.查詢多個dns記錄

# 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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